Vulnerabilities > CVE-2018-10882

047910
CVSS 5.5 - MEDIUM
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
LOW
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
local
low complexity
linux
debian
canonical
redhat
nessus

Summary

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound write in in fs/jbd2/transaction.c code, a denial of service, and a system crash by unmounting a crafted ext4 filesystem image.

Nessus

  • NASL familyUbuntu Local Security Checks
    NASL idUBUNTU_USN-3871-4.NASL
    descriptionUSN-3871-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS. Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10876, CVE-2018-10879) Wen Xu discovered that a buffer overflow existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10877) Wen Xu discovered that an out-of-bounds write vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10878, CVE-2018-10882) Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly ensure that xattr information remained in inode bodies. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash). (CVE-2018-10880) Wen Xu discovered that the ext4 file system implementation in the Linux kernel could possibly perform an out of bounds write when updating the journal for an inline file. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash). (CVE-2018-10883) It was discovered that a race condition existed in the vsock address family implementation of the Linux kernel that could lead to a use-after-free condition. A local attacker in a guest virtual machine could use this to expose sensitive information (host machine kernel memory). (CVE-2018-14625) Cfir Cohen discovered that a use-after-free vulnerability existed in the KVM implementation of the Linux kernel, when handling interrupts in environments where nested virtualization is in use (nested KVM virtualization is not enabled by default in Ubuntu kernels). A local attacker in a guest VM could possibly use this to gain administrative privileges in a host machine. (CVE-2018-16882) Jann Horn discovered that the procfs file system implementation in the Linux kernel did not properly restrict the ability to inspect the kernel stack of an arbitrary task. A local attacker could use this to expose sensitive information. (CVE-2018-17972) Jann Horn discovered that the mremap() system call in the Linux kernel did not properly flush the TLB when completing, potentially leaving access to a physical page after it has been released to the page allocator. A local attacker could use this to cause a denial of service (system crash), expose sensitive information, or possibly execute arbitrary code. (CVE-2018-18281) Wei Wu discovered that the KVM implementation in the Linux kernel did not properly ensure that ioapics were initialized. A local attacker could use this to cause a denial of service (system crash). (CVE-2018-19407) It was discovered that the debug interface for the Linux kernel
    last seen2020-03-18
    modified2019-02-05
    plugin id121594
    published2019-02-05
    reporterUbuntu Security Notice (C) 2019-2020 Canonical, Inc. / NASL script (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/121594
    titleUbuntu 16.04 LTS : linux-hwe, linux-aws-hwe, linux-gcp vulnerabilities (USN-3871-4)
    code
    #
    # (C) Tenable Network Security, Inc.
    #
    # The descriptive text and package checks in this plugin were
    # extracted from Ubuntu Security Notice USN-3871-4. The text 
    # itself is copyright (C) Canonical, Inc. See 
    # <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered 
    # trademark of Canonical, Inc.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(121594);
      script_version("1.7");
      script_set_attribute(attribute:"plugin_modification_date", value:"2020/02/20");
    
      script_cve_id("CVE-2018-10876", "CVE-2018-10877", "CVE-2018-10878", "CVE-2018-10879", "CVE-2018-10880", "CVE-2018-10882", "CVE-2018-10883", "CVE-2018-14625", "CVE-2018-16882", "CVE-2018-17972", "CVE-2018-18281", "CVE-2018-19407", "CVE-2018-9516");
      script_xref(name:"USN", value:"3871-4");
    
      script_name(english:"Ubuntu 16.04 LTS : linux-hwe, linux-aws-hwe, linux-gcp vulnerabilities (USN-3871-4)");
      script_summary(english:"Checks dpkg output for updated packages.");
    
      script_set_attribute(
        attribute:"synopsis", 
        value:
    "The remote Ubuntu host is missing one or more security-related
    patches."
      );
      script_set_attribute(
        attribute:"description", 
        value:
    "USN-3871-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04
    LTS. This update provides the corresponding updates for the Linux
    Hardware Enablement (HWE) kernel from Ubuntu 18.04 LTS for Ubuntu
    16.04 LTS.
    
    Wen Xu discovered that a use-after-free vulnerability existed in the
    ext4 filesystem implementation in the Linux kernel. An attacker could
    use this to construct a malicious ext4 image that, when mounted, could
    cause a denial of service (system crash) or possibly execute arbitrary
    code. (CVE-2018-10876, CVE-2018-10879)
    
    Wen Xu discovered that a buffer overflow existed in the ext4
    filesystem implementation in the Linux kernel. An attacker could use
    this to construct a malicious ext4 image that, when mounted, could
    cause a denial of service (system crash) or possibly execute arbitrary
    code. (CVE-2018-10877)
    
    Wen Xu discovered that an out-of-bounds write vulnerability existed in
    the ext4 filesystem implementation in the Linux kernel. An attacker
    could use this to construct a malicious ext4 image that, when mounted,
    could cause a denial of service (system crash) or possibly execute
    arbitrary code. (CVE-2018-10878, CVE-2018-10882)
    
    Wen Xu discovered that the ext4 filesystem implementation in the Linux
    kernel did not properly ensure that xattr information remained in
    inode bodies. An attacker could use this to construct a malicious ext4
    image that, when mounted, could cause a denial of service (system
    crash). (CVE-2018-10880)
    
    Wen Xu discovered that the ext4 file system implementation in the
    Linux kernel could possibly perform an out of bounds write when
    updating the journal for an inline file. An attacker could use this to
    construct a malicious ext4 image that, when mounted, could cause a
    denial of service (system crash). (CVE-2018-10883)
    
    It was discovered that a race condition existed in the vsock address
    family implementation of the Linux kernel that could lead to a
    use-after-free condition. A local attacker in a guest virtual machine
    could use this to expose sensitive information (host machine kernel
    memory). (CVE-2018-14625)
    
    Cfir Cohen discovered that a use-after-free vulnerability existed in
    the KVM implementation of the Linux kernel, when handling interrupts
    in environments where nested virtualization is in use (nested KVM
    virtualization is not enabled by default in Ubuntu kernels). A local
    attacker in a guest VM could possibly use this to gain administrative
    privileges in a host machine. (CVE-2018-16882)
    
    Jann Horn discovered that the procfs file system implementation in the
    Linux kernel did not properly restrict the ability to inspect the
    kernel stack of an arbitrary task. A local attacker could use this to
    expose sensitive information. (CVE-2018-17972)
    
    Jann Horn discovered that the mremap() system call in the Linux kernel
    did not properly flush the TLB when completing, potentially leaving
    access to a physical page after it has been released to the page
    allocator. A local attacker could use this to cause a denial of
    service (system crash), expose sensitive information, or possibly
    execute arbitrary code. (CVE-2018-18281)
    
    Wei Wu discovered that the KVM implementation in the Linux kernel did
    not properly ensure that ioapics were initialized. A local attacker
    could use this to cause a denial of service (system crash).
    (CVE-2018-19407)
    
    It was discovered that the debug interface for the Linux kernel's HID
    subsystem did not properly perform bounds checking in some situations.
    An attacker with access to debugfs could use this to cause a denial of
    service or possibly gain additional privileges. (CVE-2018-9516).
    
    Note that Tenable Network Security has extracted the preceding
    description block directly from the Ubuntu security advisory. Tenable
    has attempted to automatically clean and format it as much as possible
    without introducing additional issues."
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://usn.ubuntu.com/3871-4/"
      );
      script_set_attribute(attribute:"solution", value:"Update the affected packages.");
      script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
      script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
      script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
      script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
      script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-9516");
      script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
      script_set_attribute(attribute:"exploit_available", value:"true");
    
      script_set_attribute(attribute:"plugin_type", value:"local");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15-aws");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15-gcp");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15-generic");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15-generic-lpae");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15-lowlatency");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-aws-hwe");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-gcp");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-generic-hwe-16.04");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-generic-lpae-hwe-16.04");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-gke");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-lowlatency-hwe-16.04");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-oem");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-virtual-hwe-16.04");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:16.04");
    
      script_set_attribute(attribute:"vuln_publication_date", value:"2018/07/18");
      script_set_attribute(attribute:"patch_publication_date", value:"2019/02/04");
      script_set_attribute(attribute:"plugin_publication_date", value:"2019/02/05");
      script_set_attribute(attribute:"generated_plugin", value:"current");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_copyright(english:"Ubuntu Security Notice (C) 2019-2020 Canonical, Inc. / NASL script (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
      script_family(english:"Ubuntu Local Security Checks");
    
      script_dependencies("ssh_get_info.nasl", "linux_alt_patch_detect.nasl");
      script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");
    
      exit(0);
    }
    
    
    include("audit.inc");
    include("ubuntu.inc");
    include("ksplice.inc");
    
    if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
    release = get_kb_item("Host/Ubuntu/release");
    if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu");
    release = chomp(release);
    if (! preg(pattern:"^(16\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 16.04", "Ubuntu " + release);
    if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING);
    
    cpu = get_kb_item("Host/cpu");
    if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
    if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu);
    
    if (get_one_kb_item("Host/ksplice/kernel-cves"))
    {
      rm_kb_item(name:"Host/uptrack-uname-r");
      cve_list = make_list("CVE-2018-10876", "CVE-2018-10877", "CVE-2018-10878", "CVE-2018-10879", "CVE-2018-10880", "CVE-2018-10882", "CVE-2018-10883", "CVE-2018-14625", "CVE-2018-16882", "CVE-2018-17972", "CVE-2018-18281", "CVE-2018-19407", "CVE-2018-9516");
      if (ksplice_cves_check(cve_list))
      {
        audit(AUDIT_PATCH_INSTALLED, "KSplice hotfix for USN-3871-4");
      }
      else
      {
        _ubuntu_report = ksplice_reporting_text();
      }
    }
    
    flag = 0;
    
    if (ubuntu_check(osver:"16.04", pkgname:"linux-image-4.15.0-1027-gcp", pkgver:"4.15.0-1027.28~16.04.1")) flag++;
    if (ubuntu_check(osver:"16.04", pkgname:"linux-image-4.15.0-1032-aws", pkgver:"4.15.0-1032.34~16.04.1")) flag++;
    if (ubuntu_check(osver:"16.04", pkgname:"linux-image-4.15.0-45-generic", pkgver:"4.15.0-45.48~16.04.1")) flag++;
    if (ubuntu_check(osver:"16.04", pkgname:"linux-image-4.15.0-45-generic-lpae", pkgver:"4.15.0-45.48~16.04.1")) flag++;
    if (ubuntu_check(osver:"16.04", pkgname:"linux-image-4.15.0-45-lowlatency", pkgver:"4.15.0-45.48~16.04.1")) flag++;
    if (ubuntu_check(osver:"16.04", pkgname:"linux-image-aws-hwe", pkgver:"4.15.0.1032.33")) flag++;
    if (ubuntu_check(osver:"16.04", pkgname:"linux-image-gcp", pkgver:"4.15.0.1027.41")) flag++;
    if (ubuntu_check(osver:"16.04", pkgname:"linux-image-generic-hwe-16.04", pkgver:"4.15.0.45.66")) flag++;
    if (ubuntu_check(osver:"16.04", pkgname:"linux-image-generic-lpae-hwe-16.04", pkgver:"4.15.0.45.66")) flag++;
    if (ubuntu_check(osver:"16.04", pkgname:"linux-image-gke", pkgver:"4.15.0.1027.41")) flag++;
    if (ubuntu_check(osver:"16.04", pkgname:"linux-image-lowlatency-hwe-16.04", pkgver:"4.15.0.45.66")) flag++;
    if (ubuntu_check(osver:"16.04", pkgname:"linux-image-oem", pkgver:"4.15.0.45.66")) flag++;
    if (ubuntu_check(osver:"16.04", pkgname:"linux-image-virtual-hwe-16.04", pkgver:"4.15.0.45.66")) flag++;
    
    if (flag)
    {
      security_report_v4(
        port       : 0,
        severity   : SECURITY_HOLE,
        extra      : ubuntu_report_get()
      );
      exit(0);
    }
    else
    {
      tested = ubuntu_pkg_tests_get();
      if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
      else audit(AUDIT_PACKAGE_NOT_INSTALLED, "linux-image-4.15-aws / linux-image-4.15-gcp / etc");
    }
    
  • NASL familyUbuntu Local Security Checks
    NASL idUBUNTU_USN-3753-2.NASL
    descriptionUSN-3753-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. It was discovered that the generic SCSI driver in the Linux kernel did not properly enforce permissions on kernel memory access. A local attacker could use this to expose sensitive information or possibly elevate privileges. (CVE-2017-13168) Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10876, CVE-2018-10879) Wen Xu discovered that a buffer overflow existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10877) Wen Xu discovered that an out-of-bounds write vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10878, CVE-2018-10882) Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly keep meta-data information consistent in some situations. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash). (CVE-2018-10881) Shankara Pailoor discovered that the JFS filesystem implementation in the Linux kernel contained a buffer overflow when handling extended attributes. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-12233) Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly handle an error condition with a corrupted xfs image. An attacker could use this to construct a malicious xfs image that, when mounted, could cause a denial of service (system crash). (CVE-2018-13094) It was discovered that the Linux kernel did not properly handle setgid file creation when performed by a non-member of the group. A local attacker could use this to gain elevated privileges. (CVE-2018-13405) Silvio Cesare discovered that the generic VESA frame buffer driver in the Linux kernel contained an integer overflow. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-13406). Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-06-01
    modified2020-06-02
    plugin id112112
    published2018-08-24
    reporterUbuntu Security Notice (C) 2018-2019 Canonical, Inc. / NASL script (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/112112
    titleUbuntu 14.04 LTS : linux-lts-xenial, linux-aws vulnerabilities (USN-3753-2)
    code
    #
    # (C) Tenable Network Security, Inc.
    #
    # The descriptive text and package checks in this plugin were
    # extracted from Ubuntu Security Notice USN-3753-2. The text 
    # itself is copyright (C) Canonical, Inc. See 
    # <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered 
    # trademark of Canonical, Inc.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(112112);
      script_version("1.7");
      script_cvs_date("Date: 2019/09/18 12:31:48");
    
      script_cve_id("CVE-2017-13168", "CVE-2018-10876", "CVE-2018-10877", "CVE-2018-10878", "CVE-2018-10879", "CVE-2018-10881", "CVE-2018-10882", "CVE-2018-12233", "CVE-2018-13094", "CVE-2018-13405", "CVE-2018-13406");
      script_xref(name:"USN", value:"3753-2");
    
      script_name(english:"Ubuntu 14.04 LTS : linux-lts-xenial, linux-aws vulnerabilities (USN-3753-2)");
      script_summary(english:"Checks dpkg output for updated packages.");
    
      script_set_attribute(
        attribute:"synopsis", 
        value:
    "The remote Ubuntu host is missing one or more security-related
    patches."
      );
      script_set_attribute(
        attribute:"description", 
        value:
    "USN-3753-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04
    LTS. This update provides the corresponding updates for the Linux
    Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu
    14.04 LTS.
    
    It was discovered that the generic SCSI driver in the Linux kernel did
    not properly enforce permissions on kernel memory access. A local
    attacker could use this to expose sensitive information or possibly
    elevate privileges. (CVE-2017-13168)
    
    Wen Xu discovered that a use-after-free vulnerability existed in the
    ext4 filesystem implementation in the Linux kernel. An attacker could
    use this to construct a malicious ext4 image that, when mounted, could
    cause a denial of service (system crash) or possibly execute arbitrary
    code. (CVE-2018-10876, CVE-2018-10879)
    
    Wen Xu discovered that a buffer overflow existed in the ext4
    filesystem implementation in the Linux kernel. An attacker could use
    this to construct a malicious ext4 image that, when mounted, could
    cause a denial of service (system crash) or possibly execute arbitrary
    code. (CVE-2018-10877)
    
    Wen Xu discovered that an out-of-bounds write vulnerability existed in
    the ext4 filesystem implementation in the Linux kernel. An attacker
    could use this to construct a malicious ext4 image that, when mounted,
    could cause a denial of service (system crash) or possibly execute
    arbitrary code. (CVE-2018-10878, CVE-2018-10882)
    
    Wen Xu discovered that the ext4 filesystem implementation in the Linux
    kernel did not properly keep meta-data information consistent in some
    situations. An attacker could use this to construct a malicious ext4
    image that, when mounted, could cause a denial of service (system
    crash). (CVE-2018-10881)
    
    Shankara Pailoor discovered that the JFS filesystem implementation in
    the Linux kernel contained a buffer overflow when handling extended
    attributes. A local attacker could use this to cause a denial of
    service (system crash) or possibly execute arbitrary code.
    (CVE-2018-12233)
    
    Wen Xu discovered that the XFS filesystem implementation in the Linux
    kernel did not properly handle an error condition with a corrupted xfs
    image. An attacker could use this to construct a malicious xfs image
    that, when mounted, could cause a denial of service (system crash).
    (CVE-2018-13094)
    
    It was discovered that the Linux kernel did not properly handle setgid
    file creation when performed by a non-member of the group. A local
    attacker could use this to gain elevated privileges. (CVE-2018-13405)
    
    Silvio Cesare discovered that the generic VESA frame buffer driver in
    the Linux kernel contained an integer overflow. A local attacker could
    use this to cause a denial of service (system crash) or possibly
    execute arbitrary code. (CVE-2018-13406).
    
    Note that Tenable Network Security has extracted the preceding
    description block directly from the Ubuntu security advisory. Tenable
    has attempted to automatically clean and format it as much as possible
    without introducing additional issues."
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://usn.ubuntu.com/3753-2/"
      );
      script_set_attribute(attribute:"solution", value:"Update the affected packages.");
      script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
      script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
      script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
      script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
      script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
      script_set_attribute(attribute:"exploit_available", value:"true");
    
      script_set_attribute(attribute:"plugin_type", value:"local");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4-aws");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4-generic");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4-generic-lpae");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4-lowlatency");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-aws");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-generic-lpae-lts-xenial");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-generic-lts-xenial");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-lowlatency-lts-xenial");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:14.04");
    
      script_set_attribute(attribute:"vuln_publication_date", value:"2017/12/06");
      script_set_attribute(attribute:"patch_publication_date", value:"2018/08/24");
      script_set_attribute(attribute:"plugin_publication_date", value:"2018/08/24");
      script_set_attribute(attribute:"generated_plugin", value:"current");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_copyright(english:"Ubuntu Security Notice (C) 2018-2019 Canonical, Inc. / NASL script (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
      script_family(english:"Ubuntu Local Security Checks");
    
      script_dependencies("ssh_get_info.nasl", "linux_alt_patch_detect.nasl");
      script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");
    
      exit(0);
    }
    
    
    include("audit.inc");
    include("ubuntu.inc");
    include("ksplice.inc");
    
    if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
    release = get_kb_item("Host/Ubuntu/release");
    if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu");
    release = chomp(release);
    if (! preg(pattern:"^(14\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 14.04", "Ubuntu " + release);
    if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING);
    
    cpu = get_kb_item("Host/cpu");
    if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
    if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu);
    
    if (get_one_kb_item("Host/ksplice/kernel-cves"))
    {
      rm_kb_item(name:"Host/uptrack-uname-r");
      cve_list = make_list("CVE-2017-13168", "CVE-2018-10876", "CVE-2018-10877", "CVE-2018-10878", "CVE-2018-10879", "CVE-2018-10881", "CVE-2018-10882", "CVE-2018-12233", "CVE-2018-13094", "CVE-2018-13405", "CVE-2018-13406");
      if (ksplice_cves_check(cve_list))
      {
        audit(AUDIT_PATCH_INSTALLED, "KSplice hotfix for USN-3753-2");
      }
      else
      {
        _ubuntu_report = ksplice_reporting_text();
      }
    }
    
    flag = 0;
    
    if (ubuntu_check(osver:"14.04", pkgname:"linux-image-4.4.0-1028-aws", pkgver:"4.4.0-1028.31")) flag++;
    if (ubuntu_check(osver:"14.04", pkgname:"linux-image-4.4.0-134-generic", pkgver:"4.4.0-134.160~14.04.1")) flag++;
    if (ubuntu_check(osver:"14.04", pkgname:"linux-image-4.4.0-134-generic-lpae", pkgver:"4.4.0-134.160~14.04.1")) flag++;
    if (ubuntu_check(osver:"14.04", pkgname:"linux-image-4.4.0-134-lowlatency", pkgver:"4.4.0-134.160~14.04.1")) flag++;
    if (ubuntu_check(osver:"14.04", pkgname:"linux-image-aws", pkgver:"4.4.0.1028.28")) flag++;
    if (ubuntu_check(osver:"14.04", pkgname:"linux-image-generic-lpae-lts-xenial", pkgver:"4.4.0.134.114")) flag++;
    if (ubuntu_check(osver:"14.04", pkgname:"linux-image-generic-lts-xenial", pkgver:"4.4.0.134.114")) flag++;
    if (ubuntu_check(osver:"14.04", pkgname:"linux-image-lowlatency-lts-xenial", pkgver:"4.4.0.134.114")) flag++;
    
    if (flag)
    {
      security_report_v4(
        port       : 0,
        severity   : SECURITY_HOLE,
        extra      : ubuntu_report_get()
      );
      exit(0);
    }
    else
    {
      tested = ubuntu_pkg_tests_get();
      if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
      else audit(AUDIT_PACKAGE_NOT_INSTALLED, "linux-image-4.4-aws / linux-image-4.4-generic / etc");
    }
    
  • NASL familySuSE Local Security Checks
    NASL idSUSE_SU-2018-2908-1.NASL
    descriptionThe SUSE Linux Enterprise 12 SP1 kernel was updated receive various security and bugfixes. The following security bugs were fixed : CVE-2018-14634: Prevent integer overflow in create_elf_tables that allowed a local attacker to exploit this vulnerability via a SUID-root binary and obtain full root privileges (bsc#1108912) CVE-2018-14617: Prevent NULL pointer dereference and panic in hfsplus_lookup() when opening a file (that is purportedly a hard link) in an hfs+ filesystem that has malformed catalog data, and is mounted read-only without a metadata directory (bsc#1102870) CVE-2018-16276: Incorrect bounds checking in the yurex USB driver in yurex_read allowed local attackers to use user access read/writes to crash the kernel or potentially escalate privileges (bsc#1106095) CVE-2018-12896: Prevent integer overflow in the POSIX timer code that was caused by the way the overrun accounting works. Depending on interval and expiry time values, the overrun can be larger than INT_MAX, but the accounting is int based. This basically made the accounting values, which are visible to user space via timer_getoverrun(2) and siginfo::si_overrun, random. This allowed a local user to cause a denial of service (signed integer overflow) via crafted mmap, futex, timer_create, and timer_settime system calls (bnc#1099922) CVE-2018-13093: Prevent NULL pointer dereference and panic in lookup_slow() on a NULL inode->i_ops pointer when doing pathwalks on a corrupted xfs image. This occured because of a lack of proper validation that cached inodes are free during allocation (bnc#1100001) CVE-2018-10940: The cdrom_ioctl_media_changed function allowed local attackers to use a incorrect bounds check in the CDROM driver CDROM_MEDIA_CHANGED ioctl to read out kernel memory (bsc#1092903) CVE-2018-16658: Prevent information leak in cdrom_ioctl_drive_status that could have been used by local attackers to read kernel memory (bnc#1107689) CVE-2018-6555: The irda_setsockopt function allowed local users to cause a denial of service (ias_object use-after-free and system crash) or possibly have unspecified other impact via an AF_IRDA socket (bnc#1106511) CVE-2018-6554: Prevent memory leak in the irda_bind function that allowed local users to cause a denial of service (memory consumption) by repeatedly binding an AF_IRDA socket (bnc#1106509) CVE-2018-10902: Protect against concurrent access to prevent double realloc (double free) in snd_rawmidi_input_params() and snd_rawmidi_output_status(). A malicious local attacker could have used this for privilege escalation (bnc#1105322) CVE-2018-10879: A local user could have caused a use-after-free in ext4_xattr_set_entry function and a denial of service or unspecified other impact by renaming a file in a crafted ext4 filesystem image (bsc#1099844) CVE-2018-10883: A local user could have caused an out-of-bounds write in jbd2_journal_dirty_metadata(), a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image (bsc#1099863) CVE-2018-10880: Prevent stack-out-of-bounds write in the ext4 filesystem code when mounting and writing to a crafted ext4 image in ext4_update_inline_data(). An attacker could have used this to cause a system crash and a denial of service (bsc#1099845) CVE-2018-10882: A local user could have caused an out-of-bound write, a denial of service, and a system crash by unmounting a crafted ext4 filesystem image (bsc#1099849) CVE-2018-10881: A local user could have caused an out-of-bound access in ext4_get_group_info function, a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image (bsc#1099864) CVE-2018-10877: Prevent out-of-bound access in the ext4_ext_drop_refs() function when operating on a crafted ext4 filesystem image (bsc#1099846) CVE-2018-10876: A use-after-free was possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image (bsc#1099811) CVE-2018-10878: A local user could have caused an out-of-bounds write and a denial of service or unspecified other impact by mounting and operating a crafted ext4 filesystem image (bsc#1099813) CVE-2018-10853: The KVM hypervisor did not check current privilege(CPL) level while emulating unprivileged instructions. An unprivileged guest user/process could have used this flaw to potentially escalate privileges inside guest (bsc#1097104). The update package also includes non-security fixes. See advisory for details. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-06-01
    modified2020-06-02
    plugin id117824
    published2018-09-28
    reporterThis script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/117824
    titleSUSE SLES12 Security Update : kernel (SUSE-SU-2018:2908-1)
    code
    #
    # (C) Tenable Network Security, Inc.
    #
    # The descriptive text and package checks in this plugin were
    # extracted from SUSE update advisory SUSE-SU-2018:2908-1.
    # The text itself is copyright (C) SUSE.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(117824);
      script_version("1.5");
      script_cvs_date("Date: 2019/09/10 13:51:49");
    
      script_cve_id("CVE-2018-10853", "CVE-2018-10876", "CVE-2018-10877", "CVE-2018-10878", "CVE-2018-10879", "CVE-2018-10880", "CVE-2018-10881", "CVE-2018-10882", "CVE-2018-10883", "CVE-2018-10902", "CVE-2018-10940", "CVE-2018-12896", "CVE-2018-13093", "CVE-2018-14617", "CVE-2018-14634", "CVE-2018-16276", "CVE-2018-16658", "CVE-2018-6554", "CVE-2018-6555");
    
      script_name(english:"SUSE SLES12 Security Update : kernel (SUSE-SU-2018:2908-1)");
      script_summary(english:"Checks rpm output for the updated packages.");
    
      script_set_attribute(
        attribute:"synopsis", 
        value:"The remote SUSE host is missing one or more security updates."
      );
      script_set_attribute(
        attribute:"description", 
        value:
    "The SUSE Linux Enterprise 12 SP1 kernel was updated receive various
    security and bugfixes.
    
    The following security bugs were fixed :
    
    CVE-2018-14634: Prevent integer overflow in create_elf_tables that
    allowed a local attacker to exploit this vulnerability via a SUID-root
    binary and obtain full root privileges (bsc#1108912)
    
    CVE-2018-14617: Prevent NULL pointer dereference and panic in
    hfsplus_lookup() when opening a file (that is purportedly a hard link)
    in an hfs+ filesystem that has malformed catalog data, and is mounted
    read-only without a metadata directory (bsc#1102870)
    
    CVE-2018-16276: Incorrect bounds checking in the yurex USB driver in
    yurex_read allowed local attackers to use user access read/writes to
    crash the kernel or potentially escalate privileges (bsc#1106095)
    
    CVE-2018-12896: Prevent integer overflow in the POSIX timer code that
    was caused by the way the overrun accounting works. Depending on
    interval and expiry time values, the overrun can be larger than
    INT_MAX, but the accounting is int based. This basically made the
    accounting values, which are visible to user space via
    timer_getoverrun(2) and siginfo::si_overrun, random. This allowed a
    local user to cause a denial of service (signed integer overflow) via
    crafted mmap, futex, timer_create, and timer_settime system calls
    (bnc#1099922)
    
    CVE-2018-13093: Prevent NULL pointer dereference and panic in
    lookup_slow() on a NULL inode->i_ops pointer when doing pathwalks on a
    corrupted xfs image. This occured because of a lack of proper
    validation that cached inodes are free during allocation (bnc#1100001)
    
    CVE-2018-10940: The cdrom_ioctl_media_changed function allowed local
    attackers to use a incorrect bounds check in the CDROM driver
    CDROM_MEDIA_CHANGED ioctl to read out kernel memory (bsc#1092903)
    
    CVE-2018-16658: Prevent information leak in cdrom_ioctl_drive_status
    that could have been used by local attackers to read kernel memory
    (bnc#1107689)
    
    CVE-2018-6555: The irda_setsockopt function allowed local users to
    cause a denial of service (ias_object use-after-free and system crash)
    or possibly have unspecified other impact via an AF_IRDA socket
    (bnc#1106511)
    
    CVE-2018-6554: Prevent memory leak in the irda_bind function that
    allowed local users to cause a denial of service (memory consumption)
    by repeatedly binding an AF_IRDA socket (bnc#1106509)
    
    CVE-2018-10902: Protect against concurrent access to prevent double
    realloc (double free) in snd_rawmidi_input_params() and
    snd_rawmidi_output_status(). A malicious local attacker could have
    used this for privilege escalation (bnc#1105322)
    
    CVE-2018-10879: A local user could have caused a use-after-free in
    ext4_xattr_set_entry function and a denial of service or unspecified
    other impact by renaming a file in a crafted ext4 filesystem image
    (bsc#1099844)
    
    CVE-2018-10883: A local user could have caused an out-of-bounds write
    in jbd2_journal_dirty_metadata(), a denial of service, and a system
    crash by mounting and operating on a crafted ext4 filesystem image
    (bsc#1099863)
    
    CVE-2018-10880: Prevent stack-out-of-bounds write in the ext4
    filesystem code when mounting and writing to a crafted ext4 image in
    ext4_update_inline_data(). An attacker could have used this to cause a
    system crash and a denial of service (bsc#1099845)
    
    CVE-2018-10882: A local user could have caused an out-of-bound write,
    a denial of service, and a system crash by unmounting a crafted ext4
    filesystem image (bsc#1099849)
    
    CVE-2018-10881: A local user could have caused an out-of-bound access
    in ext4_get_group_info function, a denial of service, and a system
    crash by mounting and operating on a crafted ext4 filesystem image
    (bsc#1099864)
    
    CVE-2018-10877: Prevent out-of-bound access in the
    ext4_ext_drop_refs() function when operating on a crafted ext4
    filesystem image (bsc#1099846)
    
    CVE-2018-10876: A use-after-free was possible in
    ext4_ext_remove_space() function when mounting and operating a crafted
    ext4 image (bsc#1099811)
    
    CVE-2018-10878: A local user could have caused an out-of-bounds write
    and a denial of service or unspecified other impact by mounting and
    operating a crafted ext4 filesystem image (bsc#1099813)
    
    CVE-2018-10853: The KVM hypervisor did not check current
    privilege(CPL) level while emulating unprivileged instructions. An
    unprivileged guest user/process could have used this flaw to
    potentially escalate privileges inside guest (bsc#1097104).
    
    The update package also includes non-security fixes. See advisory for
    details.
    
    Note that Tenable Network Security has extracted the preceding
    description block directly from the SUSE security advisory. Tenable
    has attempted to automatically clean and format it as much as possible
    without introducing additional issues."
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1012382"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1024788"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1062604"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1064233"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1065999"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1090534"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1090955"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1091171"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1092903"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1096547"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1097104"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1097108"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1099811"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1099813"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1099844"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1099845"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1099846"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1099849"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1099863"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1099864"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1099922"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1100001"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1102870"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1103445"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1104319"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1104495"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1104818"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1104906"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1105100"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1105322"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1105323"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1105396"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106095"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106369"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106509"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106511"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1107689"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1108912"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10853/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10876/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10877/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10878/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10879/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10880/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10881/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10882/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10883/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10902/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10940/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-12896/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-13093/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-14617/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-14634/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-16276/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-16658/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-6554/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-6555/"
      );
      # https://www.suse.com/support/update/announcement/2018/suse-su-20182908-1/
      script_set_attribute(
        attribute:"see_also",
        value:"http://www.nessus.org/u?e50fcd04"
      );
      script_set_attribute(
        attribute:"solution", 
        value:
    "To install this SUSE Security Update use the SUSE recommended
    installation methods like YaST online_update or 'zypper patch'.
    
    Alternatively you can run the command listed for your product :
    
    SUSE Linux Enterprise Server 12-SP1-LTSS:zypper in -t patch
    SUSE-SLE-SERVER-12-SP1-2018-2063=1
    
    SUSE Linux Enterprise Module for Public Cloud 12:zypper in -t patch
    SUSE-SLE-Module-Public-Cloud-12-2018-2063=1"
      );
      script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
      script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
      script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
      script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
      script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
      script_set_attribute(attribute:"exploit_available", value:"true");
    
      script_set_attribute(attribute:"plugin_type", value:"local");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-base");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-base-debuginfo");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-debuginfo");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-debugsource");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-devel");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-man");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-syms");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-xen");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-xen-base");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-xen-base-debuginfo");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-xen-debuginfo");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-xen-debugsource");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-xen-devel");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
    
      script_set_attribute(attribute:"vuln_publication_date", value:"2018/05/09");
      script_set_attribute(attribute:"patch_publication_date", value:"2018/09/27");
      script_set_attribute(attribute:"plugin_publication_date", value:"2018/09/28");
      script_set_attribute(attribute:"generated_plugin", value:"current");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_copyright(english:"This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
      script_family(english:"SuSE Local Security Checks");
    
      script_dependencies("ssh_get_info.nasl");
      script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/rpm-list");
    
      exit(0);
    }
    
    
    include("audit.inc");
    include("global_settings.inc");
    include("rpm.inc");
    
    
    if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
    release = get_kb_item("Host/SuSE/release");
    if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
    os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
    if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
    os_ver = os_ver[1];
    if (! preg(pattern:"^(SLES12)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES12", "SUSE " + os_ver);
    
    if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
    
    cpu = get_kb_item("Host/cpu");
    if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
    if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);
    
    sp = get_kb_item("Host/SuSE/patchlevel");
    if (isnull(sp)) sp = "0";
    if (os_ver == "SLES12" && (! preg(pattern:"^(1)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP1", os_ver + " SP" + sp);
    
    
    flag = 0;
    if (rpm_check(release:"SLES12", sp:"1", cpu:"x86_64", reference:"kernel-xen-3.12.74-60.64.104.1")) flag++;
    if (rpm_check(release:"SLES12", sp:"1", cpu:"x86_64", reference:"kernel-xen-base-3.12.74-60.64.104.1")) flag++;
    if (rpm_check(release:"SLES12", sp:"1", cpu:"x86_64", reference:"kernel-xen-base-debuginfo-3.12.74-60.64.104.1")) flag++;
    if (rpm_check(release:"SLES12", sp:"1", cpu:"x86_64", reference:"kernel-xen-debuginfo-3.12.74-60.64.104.1")) flag++;
    if (rpm_check(release:"SLES12", sp:"1", cpu:"x86_64", reference:"kernel-xen-debugsource-3.12.74-60.64.104.1")) flag++;
    if (rpm_check(release:"SLES12", sp:"1", cpu:"x86_64", reference:"kernel-xen-devel-3.12.74-60.64.104.1")) flag++;
    if (rpm_check(release:"SLES12", sp:"1", cpu:"s390x", reference:"kernel-default-man-3.12.74-60.64.104.1")) flag++;
    if (rpm_check(release:"SLES12", sp:"1", reference:"kernel-default-3.12.74-60.64.104.1")) flag++;
    if (rpm_check(release:"SLES12", sp:"1", reference:"kernel-default-base-3.12.74-60.64.104.1")) flag++;
    if (rpm_check(release:"SLES12", sp:"1", reference:"kernel-default-base-debuginfo-3.12.74-60.64.104.1")) flag++;
    if (rpm_check(release:"SLES12", sp:"1", reference:"kernel-default-debuginfo-3.12.74-60.64.104.1")) flag++;
    if (rpm_check(release:"SLES12", sp:"1", reference:"kernel-default-debugsource-3.12.74-60.64.104.1")) flag++;
    if (rpm_check(release:"SLES12", sp:"1", reference:"kernel-default-devel-3.12.74-60.64.104.1")) flag++;
    if (rpm_check(release:"SLES12", sp:"1", reference:"kernel-syms-3.12.74-60.64.104.1")) flag++;
    
    
    if (flag)
    {
      if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
      else security_hole(0);
      exit(0);
    }
    else
    {
      tested = pkg_tests_get();
      if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
      else audit(AUDIT_PACKAGE_NOT_INSTALLED, "kernel");
    }
    
  • NASL familySuSE Local Security Checks
    NASL idSUSE_SU-2018-2858-1.NASL
    descriptionThe SUSE Linux Enterprise 12 SP3 azure kernel was updated to 4.4.155 to receive various security and bugfixes. The following security bugs were fixed : CVE-2018-13093: Prevent NULL pointer dereference and panic in lookup_slow() on a NULL inode->i_ops pointer when doing pathwalks on a corrupted xfs image. This occured because of a lack of proper validation that cached inodes are free during allocation (bnc#1100001) CVE-2018-13095: Prevent denial of service (memory corruption and BUG) that could have occurred for a corrupted xfs image upon encountering an inode that is in extent format, but has more extents than fit in the inode fork (bnc#1099999) CVE-2018-13094: Prevent OOPS that may have occured for a corrupted xfs image after xfs_da_shrink_inode() is called with a NULL bp (bnc#1100000) CVE-2018-12896: Prevent integer overflow in the POSIX timer code that was caused by the way the overrun accounting works. Depending on interval and expiry time values, the overrun can be larger than INT_MAX, but the accounting is int based. This basically made the accounting values, which are visible to user space via timer_getoverrun(2) and siginfo::si_overrun, random. This allowed a local user to cause a denial of service (signed integer overflow) via crafted mmap, futex, timer_create, and timer_settime system calls (bnc#1099922) CVE-2018-16658: Prevent information leak in cdrom_ioctl_drive_status that could have been used by local attackers to read kernel memory (bnc#1107689) CVE-2018-10940: The cdrom_ioctl_media_changed function allowed local attackers to use a incorrect bounds check in the CDROM driver CDROM_MEDIA_CHANGED ioctl to read out kernel memory (bsc#1092903) CVE-2018-6555: The irda_setsockopt function allowed local users to cause a denial of service (ias_object use-after-free and system crash) or possibly have unspecified other impact via an AF_IRDA socket (bnc#1106511) CVE-2018-6554: Prevent memory leak in the irda_bind function that allowed local users to cause a denial of service (memory consumption) by repeatedly binding an AF_IRDA socket (bnc#1106509) CVE-2018-1129: A flaw was found in the way signature calculation was handled by cephx authentication protocol. An attacker having access to ceph cluster network who is able to alter the message payload was able to bypass signature checks done by cephx protocol (bnc#1096748) CVE-2018-1128: It was found that cephx authentication protocol did not verify ceph clients correctly and was vulnerable to replay attack. Any attacker having access to ceph cluster network who is able to sniff packets on network can use this vulnerability to authenticate with ceph service and perform actions allowed by ceph service (bnc#1096748) CVE-2018-10938: A crafted network packet sent remotely by an attacker forced the kernel to enter an infinite loop in the cipso_v4_optptr() function leading to a denial-of-service (bnc#1106016) CVE-2018-15572: The spectre_v2_select_mitigation function did not always fill RSB upon a context switch, which made it easier for attackers to conduct userspace-userspace spectreRSB attacks (bnc#1102517) CVE-2018-10902: Protect against concurrent access to prevent double realloc (double free) in snd_rawmidi_input_params() and snd_rawmidi_output_status(). A malicious local attacker could have used this for privilege escalation (bnc#1105322). CVE-2018-9363: Prevent buffer overflow in hidp_process_report (bsc#1105292) CVE-2018-10883: A local user could have caused an out-of-bounds write in jbd2_journal_dirty_metadata(), a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image (bsc#1099863) CVE-2018-10879: A local user could have caused a use-after-free in ext4_xattr_set_entry function and a denial of service or unspecified other impact by renaming a file in a crafted ext4 filesystem image (bsc#1099844) CVE-2018-10878: A local user could have caused an out-of-bounds write and a denial of service or unspecified other impact by mounting and operating a crafted ext4 filesystem image (bsc#1099813) CVE-2018-10876: A use-after-free was possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image (bsc#1099811) CVE-2018-10877: Prevent out-of-bound access in the ext4_ext_drop_refs() function when operating on a crafted ext4 filesystem image (bsc#1099846) CVE-2018-10881: A local user could have caused an out-of-bound access in ext4_get_group_info function, a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image (bsc#1099864) CVE-2018-10882: A local user could have caused an out-of-bound write, a denial of service, and a system crash by unmounting a crafted ext4 filesystem image (bsc#1099849) CVE-2018-10880: Prevent stack-out-of-bounds write in the ext4 filesystem code when mounting and writing to a crafted ext4 image in ext4_update_inline_data(). An attacker could have used this to cause a system crash and a denial of service (bsc#1099845) The update package also includes non-security fixes. See advisory for details. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-06-01
    modified2020-06-02
    plugin id117800
    published2018-09-27
    reporterThis script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/117800
    titleSUSE SLES12 Security Update : kernel (SUSE-SU-2018:2858-1)
    code
    #
    # (C) Tenable Network Security, Inc.
    #
    # The descriptive text and package checks in this plugin were
    # extracted from SUSE update advisory SUSE-SU-2018:2858-1.
    # The text itself is copyright (C) SUSE.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(117800);
      script_version("1.5");
      script_cvs_date("Date: 2019/09/10 13:51:49");
    
      script_cve_id("CVE-2018-10876", "CVE-2018-10877", "CVE-2018-10878", "CVE-2018-10879", "CVE-2018-10880", "CVE-2018-10881", "CVE-2018-10882", "CVE-2018-10883", "CVE-2018-10902", "CVE-2018-10938", "CVE-2018-10940", "CVE-2018-1128", "CVE-2018-1129", "CVE-2018-12896", "CVE-2018-13093", "CVE-2018-13094", "CVE-2018-13095", "CVE-2018-15572", "CVE-2018-16658", "CVE-2018-6554", "CVE-2018-6555", "CVE-2018-9363");
    
      script_name(english:"SUSE SLES12 Security Update : kernel (SUSE-SU-2018:2858-1)");
      script_summary(english:"Checks rpm output for the updated packages.");
    
      script_set_attribute(
        attribute:"synopsis", 
        value:"The remote SUSE host is missing one or more security updates."
      );
      script_set_attribute(
        attribute:"description", 
        value:
    "The SUSE Linux Enterprise 12 SP3 azure kernel was updated to 4.4.155
    to receive various security and bugfixes.
    
    The following security bugs were fixed :
    
    CVE-2018-13093: Prevent NULL pointer dereference and panic in
    lookup_slow() on a NULL inode->i_ops pointer when doing pathwalks on a
    corrupted xfs image. This occured because of a lack of proper
    validation that cached inodes are free during allocation (bnc#1100001)
    
    CVE-2018-13095: Prevent denial of service (memory corruption and BUG)
    that could have occurred for a corrupted xfs image upon encountering
    an inode that is in extent format, but has more extents than fit in
    the inode fork (bnc#1099999)
    
    CVE-2018-13094: Prevent OOPS that may have occured for a corrupted xfs
    image after xfs_da_shrink_inode() is called with a NULL bp
    (bnc#1100000)
    
    CVE-2018-12896: Prevent integer overflow in the POSIX timer code that
    was caused by the way the overrun accounting works. Depending on
    interval and expiry time values, the overrun can be larger than
    INT_MAX, but the accounting is int based. This basically made the
    accounting values, which are visible to user space via
    timer_getoverrun(2) and siginfo::si_overrun, random. This allowed a
    local user to cause a denial of service (signed integer overflow) via
    crafted mmap, futex, timer_create, and timer_settime system calls
    (bnc#1099922)
    
    CVE-2018-16658: Prevent information leak in cdrom_ioctl_drive_status
    that could have been used by local attackers to read kernel memory
    (bnc#1107689)
    
    CVE-2018-10940: The cdrom_ioctl_media_changed function allowed local
    attackers to use a incorrect bounds check in the CDROM driver
    CDROM_MEDIA_CHANGED ioctl to read out kernel memory (bsc#1092903)
    
    CVE-2018-6555: The irda_setsockopt function allowed local users to
    cause a denial of service (ias_object use-after-free and system crash)
    or possibly have unspecified other impact via an AF_IRDA socket
    (bnc#1106511)
    
    CVE-2018-6554: Prevent memory leak in the irda_bind function that
    allowed local users to cause a denial of service (memory consumption)
    by repeatedly binding an AF_IRDA socket (bnc#1106509)
    
    CVE-2018-1129: A flaw was found in the way signature calculation was
    handled by cephx authentication protocol. An attacker having access to
    ceph cluster network who is able to alter the message payload was able
    to bypass signature checks done by cephx protocol (bnc#1096748)
    
    CVE-2018-1128: It was found that cephx authentication protocol did not
    verify ceph clients correctly and was vulnerable to replay attack. Any
    attacker having access to ceph cluster network who is able to sniff
    packets on network can use this vulnerability to authenticate with
    ceph service and perform actions allowed by ceph service (bnc#1096748)
    
    CVE-2018-10938: A crafted network packet sent remotely by an attacker
    forced the kernel to enter an infinite loop in the cipso_v4_optptr()
    function leading to a denial-of-service (bnc#1106016)
    
    CVE-2018-15572: The spectre_v2_select_mitigation function did not
    always fill RSB upon a context switch, which made it easier for
    attackers to conduct userspace-userspace spectreRSB attacks
    (bnc#1102517)
    
    CVE-2018-10902: Protect against concurrent access to prevent double
    realloc (double free) in snd_rawmidi_input_params() and
    snd_rawmidi_output_status(). A malicious local attacker could have
    used this for privilege escalation (bnc#1105322).
    
    CVE-2018-9363: Prevent buffer overflow in hidp_process_report
    (bsc#1105292)
    
    CVE-2018-10883: A local user could have caused an out-of-bounds write
    in jbd2_journal_dirty_metadata(), a denial of service, and a system
    crash by mounting and operating on a crafted ext4 filesystem image
    (bsc#1099863)
    
    CVE-2018-10879: A local user could have caused a use-after-free in
    ext4_xattr_set_entry function and a denial of service or unspecified
    other impact by renaming a file in a crafted ext4 filesystem image
    (bsc#1099844)
    
    CVE-2018-10878: A local user could have caused an out-of-bounds write
    and a denial of service or unspecified other impact by mounting and
    operating a crafted ext4 filesystem image (bsc#1099813)
    
    CVE-2018-10876: A use-after-free was possible in
    ext4_ext_remove_space() function when mounting and operating a crafted
    ext4 image (bsc#1099811)
    
    CVE-2018-10877: Prevent out-of-bound access in the
    ext4_ext_drop_refs() function when operating on a crafted ext4
    filesystem image (bsc#1099846)
    
    CVE-2018-10881: A local user could have caused an out-of-bound access
    in ext4_get_group_info function, a denial of service, and a system
    crash by mounting and operating on a crafted ext4 filesystem image
    (bsc#1099864)
    
    CVE-2018-10882: A local user could have caused an out-of-bound write,
    a denial of service, and a system crash by unmounting a crafted ext4
    filesystem image (bsc#1099849)
    
    CVE-2018-10880: Prevent stack-out-of-bounds write in the ext4
    filesystem code when mounting and writing to a crafted ext4 image in
    ext4_update_inline_data(). An attacker could have used this to cause a
    system crash and a denial of service (bsc#1099845)
    
    The update package also includes non-security fixes. See advisory for
    details.
    
    Note that Tenable Network Security has extracted the preceding
    description block directly from the SUSE security advisory. Tenable
    has attempted to automatically clean and format it as much as possible
    without introducing additional issues."
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1012382"
      );
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      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1099922"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1099999"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1100000"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1100001"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1100132"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1101822"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1101841"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1102346"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1102486"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1102517"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1102715"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1102797"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1103269"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1103445"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1104319"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1104485"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1104494"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1104495"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1104683"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1104897"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1105271"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1105292"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1105322"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1105392"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1105396"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1105524"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1105536"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1105769"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106016"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106105"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106185"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106229"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106271"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106275"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106276"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106278"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106281"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106283"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106369"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106509"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106511"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106594"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106697"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106929"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106934"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1106995"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1107060"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1107078"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1107319"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1107320"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1107689"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1107735"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=1107966"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=963575"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=966170"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=966172"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=969470"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=969476"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=969477"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.suse.com/show_bug.cgi?id=970506"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10876/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10877/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10878/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10879/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10880/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10881/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10882/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10883/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10902/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10938/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-10940/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-1128/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-1129/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-12896/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-13093/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-13094/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-13095/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-15572/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-16658/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-6554/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-6555/"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.suse.com/security/cve/CVE-2018-9363/"
      );
      # https://www.suse.com/support/update/announcement/2018/suse-su-20182858-1/
      script_set_attribute(
        attribute:"see_also",
        value:"http://www.nessus.org/u?737e2176"
      );
      script_set_attribute(
        attribute:"solution", 
        value:
    "To install this SUSE Security Update use the SUSE recommended
    installation methods like YaST online_update or 'zypper patch'.
    
    Alternatively you can run the command listed for your product :
    
    SUSE Linux Enterprise Software Development Kit 12-SP3:zypper in -t
    patch SUSE-SLE-SDK-12-SP3-2018-2004=1
    
    SUSE Linux Enterprise Server 12-SP3:zypper in -t patch
    SUSE-SLE-SERVER-12-SP3-2018-2004=1"
      );
      script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
      script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
    
      script_set_attribute(attribute:"plugin_type", value:"local");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-azure");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-azure-base");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-azure-base-debuginfo");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-azure-debuginfo");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-azure-debugsource");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-azure-devel");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-syms-azure");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
    
      script_set_attribute(attribute:"vuln_publication_date", value:"2018/05/09");
      script_set_attribute(attribute:"patch_publication_date", value:"2018/09/25");
      script_set_attribute(attribute:"plugin_publication_date", value:"2018/09/27");
      script_set_attribute(attribute:"generated_plugin", value:"current");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_copyright(english:"This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
      script_family(english:"SuSE Local Security Checks");
    
      script_dependencies("ssh_get_info.nasl");
      script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/rpm-list");
    
      exit(0);
    }
    
    
    include("audit.inc");
    include("global_settings.inc");
    include("rpm.inc");
    
    
    if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
    release = get_kb_item("Host/SuSE/release");
    if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
    os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
    if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
    os_ver = os_ver[1];
    if (! preg(pattern:"^(SLES12)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES12", "SUSE " + os_ver);
    
    if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
    
    cpu = get_kb_item("Host/cpu");
    if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
    if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);
    if (cpu >!< "x86_64") audit(AUDIT_ARCH_NOT, "x86_64", cpu);
    
    
    sp = get_kb_item("Host/SuSE/patchlevel");
    if (isnull(sp)) sp = "0";
    if (os_ver == "SLES12" && (! preg(pattern:"^(3)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP3", os_ver + " SP" + sp);
    
    
    flag = 0;
    if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kernel-azure-4.4.155-4.16.1")) flag++;
    if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kernel-azure-base-4.4.155-4.16.1")) flag++;
    if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kernel-azure-base-debuginfo-4.4.155-4.16.1")) flag++;
    if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kernel-azure-debuginfo-4.4.155-4.16.1")) flag++;
    if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kernel-azure-debugsource-4.4.155-4.16.1")) flag++;
    if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kernel-azure-devel-4.4.155-4.16.1")) flag++;
    if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kernel-syms-azure-4.4.155-4.16.1")) flag++;
    
    
    if (flag)
    {
      if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
      else security_hole(0);
      exit(0);
    }
    else
    {
      tested = pkg_tests_get();
      if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
      else audit(AUDIT_PACKAGE_NOT_INSTALLED, "kernel");
    }
    
  • NASL familyHuawei Local Security Checks
    NASL idEULEROS_SA-2019-1587.NASL
    descriptionAccording to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A malformed SG_IO ioctl issued for a SCSI device in the Linux kernel leads to a local kernel data leak manifesting in up to approximately 1000 memory pages copied to the userspace. The problem has limited scope as non-privileged users usually have no permissions to access SCSI device files.(CVE-2018-1000204) - A flaw in the load_elf_binary() function in the Linux kernel allows a local attacker to leak the base address of .text and stack sections for setuid binaries and bypass ASLR because install_exec_creds() is called too late in this function.(CVE-2019-11190) - A flaw was found in the Linux kernel in the hid_debug_events_read() function in the drivers/hid/hid-debug.c file. A lack of the certain checks may allow a privileged user (
    last seen2020-05-06
    modified2019-05-29
    plugin id125514
    published2019-05-29
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/125514
    titleEulerOS 2.0 SP3 : kernel (EulerOS-SA-2019-1587)
  • NASL familyDebian Local Security Checks
    NASL idDEBIAN_DLA-1423.NASL
    descriptionLinux 4.9 has been packaged for Debian 8 as linux-4.9. This provides a supported upgrade path for systems that currently use kernel packages from the
    last seen2020-06-01
    modified2020-06-02
    plugin id111165
    published2018-07-20
    reporterThis script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/111165
    titleDebian DLA-1423-1 : linux-4.9 new package (Spectre)
  • NASL familyOracle Linux Local Security Checks
    NASL idORACLELINUX_ELSA-2019-4600.NASL
    descriptionDescription of changes: kernel-uek [3.8.13-118.32.1.el7uek] - x86/fpu: Factor out memset(xstate, 0) in fpu_finit() paths (Oleg Nesterov) [Orabug: 29012034] - x86/fpu: Always allow FPU in interrupt if use_eager_fpu() (Oleg Nesterov) [Orabug: 29012034] - x86/fpu: Fix 32-bit signal frame handling (Dave Hansen) [Orabug: 29012034] - x86/fpu: Don
    last seen2020-06-01
    modified2020-06-02
    plugin id123961
    published2019-04-10
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/123961
    titleOracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2019-4600)
  • NASL familyHuawei Local Security Checks
    NASL idEULEROS_SA-2019-1514.NASL
    descriptionAccording to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - The function hso_get_config_data in drivers/net/usb/hso.c in the Linux kernel through 4.19.8 reads if_num from the USB device (as a u8) and uses it to index a small array, resulting in an object out-of-bounds (OOB) read that potentially allows arbitrary read in the kernel address space.(CVE-2018-19985) - An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions (a commonly used performance optimization). There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5754 relies on the fact that, on impacted microprocessors, during speculative execution of instruction permission faults, exception generation triggered by a faulting access is suppressed until the retirement of the whole instruction block. In a combination with the fact that memory accesses may populate the cache even when the block is being dropped and never committed (executed), an unprivileged local attacker could use this flaw to read privileged (kernel space) memory by conducting targeted cache side-channel attacks. Note: CVE-2017-5754 affects Intel x86-64 microprocessors. AMD x86-64 microprocessors are not affected by this issue.(CVE-2017-5754) - A non-privileged user is able to mount a fuse filesystem on RHEL 6 or 7 and crash a system if an application punches a hole in a file that does not end aligned to a page boundary.(CVE-2017-15121) - A flaw was found in the Linux kernel when attempting to
    last seen2020-06-01
    modified2020-06-02
    plugin id124835
    published2019-05-13
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/124835
    titleEulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1514)
  • NASL familySuSE Local Security Checks
    NASL idOPENSUSE-2019-618.NASL
    descriptionThe openSUSE Leap 15.0 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2018-10853: A flaw was found in KVM in which certain instructions such as sgdt/sidt call segmented_write_std doesn
    last seen2020-06-01
    modified2020-06-02
    plugin id123269
    published2019-03-27
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/123269
    titleopenSUSE Security Update : the Linux Kernel (openSUSE-2019-618) (Foreshadow)
  • NASL familySuSE Local Security Checks
    NASL idOPENSUSE-2018-885.NASL
    descriptionThe openSUSE Leap 42.3 kernel was updated to 4.4.143 to receive various security and bugfixes. The following security bugs were fixed : - CVE-2017-18344: The timer_create syscall implementation in kernel/time/posix-timers.c didn
    last seen2020-06-05
    modified2018-08-20
    plugin id111997
    published2018-08-20
    reporterThis script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/111997
    titleopenSUSE Security Update : the Linux Kernel (openSUSE-2018-885) (Foreshadow)
  • NASL familyUbuntu Local Security Checks
    NASL idUBUNTU_USN-3871-1.NASL
    descriptionWen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10876, CVE-2018-10879) Wen Xu discovered that a buffer overflow existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10877) Wen Xu discovered that an out-of-bounds write vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10878, CVE-2018-10882) Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly ensure that xattr information remained in inode bodies. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash). (CVE-2018-10880) Wen Xu discovered that the ext4 file system implementation in the Linux kernel could possibly perform an out of bounds write when updating the journal for an inline file. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash). (CVE-2018-10883) It was discovered that a race condition existed in the vsock address family implementation of the Linux kernel that could lead to a use-after-free condition. A local attacker in a guest virtual machine could use this to expose sensitive information (host machine kernel memory). (CVE-2018-14625) Cfir Cohen discovered that a use-after-free vulnerability existed in the KVM implementation of the Linux kernel, when handling interrupts in environments where nested virtualization is in use (nested KVM virtualization is not enabled by default in Ubuntu kernels). A local attacker in a guest VM could possibly use this to gain administrative privileges in a host machine. (CVE-2018-16882) Jann Horn discovered that the procfs file system implementation in the Linux kernel did not properly restrict the ability to inspect the kernel stack of an arbitrary task. A local attacker could use this to expose sensitive information. (CVE-2018-17972) Jann Horn discovered that the mremap() system call in the Linux kernel did not properly flush the TLB when completing, potentially leaving access to a physical page after it has been released to the page allocator. A local attacker could use this to cause a denial of service (system crash), expose sensitive information, or possibly execute arbitrary code. (CVE-2018-18281) Wei Wu discovered that the KVM implementation in the Linux kernel did not properly ensure that ioapics were initialized. A local attacker could use this to cause a denial of service (system crash). (CVE-2018-19407) It was discovered that the debug interface for the Linux kernel
    last seen2020-03-18
    modified2019-01-30
    plugin id121469
    published2019-01-30
    reporterUbuntu Security Notice (C) 2019-2020 Canonical, Inc. / NASL script (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/121469
    titleUbuntu 18.04 LTS : linux vulnerabilities (USN-3871-1)
  • NASL familySuSE Local Security Checks
    NASL idSUSE_SU-2018-3084-1.NASL
    descriptionThe SUSE Linux Enterprise 12 SP2 LTSS kernel was updated to receive various security and bugfixes. CVE-2018-10853: A flaw was found in the way the KVM hypervisor emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilege(CPL) level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside guest (bnc#1097104). CVE-2018-10876: A flaw was found in Linux kernel in the ext4 filesystem code. A use-after-free is possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image. (bnc#1099811) CVE-2018-10877: Linux kernel ext4 filesystem is vulnerable to an out-of-bound access in the ext4_ext_drop_refs() function when operating on a crafted ext4 filesystem image. (bnc#1099846) CVE-2018-10878: A flaw was found in the Linux kernel
    last seen2020-06-01
    modified2020-06-02
    plugin id118034
    published2018-10-10
    reporterThis script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/118034
    titleSUSE SLES12 Security Update : kernel (SUSE-SU-2018:3084-1)
  • NASL familyOracle Linux Local Security Checks
    NASL idORACLELINUX_ELSA-2019-4596.NASL
    descriptionDescription of changes: [4.1.12-124.26.7.el7uek] - ib_core: initialize shpd field when allocating
    last seen2020-06-01
    modified2020-06-02
    plugin id123631
    published2019-04-02
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/123631
    titleOracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2019-4596)
  • NASL familyHuawei Local Security Checks
    NASL idEULEROS_SA-2019-1302.NASL
    descriptionAccording to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the Linux kernel
    last seen2020-05-06
    modified2019-04-30
    plugin id124398
    published2019-04-30
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/124398
    titleEulerOS 2.0 SP2 : kernel (EulerOS-SA-2019-1302)
  • NASL familySuSE Local Security Checks
    NASL idSUSE_SU-2018-2380-1.NASL
    descriptionThe SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2018-3620: Local attackers on baremetal systems could use speculative code patterns on hyperthreaded processors to read data present in the L1 Datacache used by other hyperthreads on the same CPU core, potentially leaking sensitive data. (bnc#1087081). - CVE-2018-3646: Local attackers in virtualized guest systems could use speculative code patterns on hyperthreaded processors to read data present in the L1 Datacache used by other hyperthreads on the same CPU core, potentially leaking sensitive data, even from other virtual machines or the host system. (bnc#1089343). - CVE-2018-5391 aka
    last seen2020-03-19
    modified2019-01-02
    plugin id120082
    published2019-01-02
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/120082
    titleSUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2018:2380-1) (Foreshadow)
  • NASL familyOracleVM Local Security Checks
    NASL idORACLEVM_OVMSA-2019-0014.NASL
    descriptionThe remote OracleVM system is missing necessary patches to address critical security updates : - ib_core: initialize shpd field when allocating
    last seen2020-06-01
    modified2020-06-02
    plugin id124637
    published2019-05-06
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/124637
    titleOracleVM 3.4 : Unbreakable / etc (OVMSA-2019-0014)
  • NASL familyUbuntu Local Security Checks
    NASL idUBUNTU_USN-3871-2.NASL
    descriptionUSN-3871-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. Unfortunately, that update introduced regressions with docking station displays and mounting ext4 file systems with the meta_bg option enabled. This update fixes the problems. We apologize for the inconvenience. Original advisory details : Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10876, CVE-2018-10879) Wen Xu discovered that a buffer overflow existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10877) Wen Xu discovered that an out-of-bounds write vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10878, CVE-2018-10882) Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly ensure that xattr information remained in inode bodies. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash). (CVE-2018-10880) Wen Xu discovered that the ext4 file system implementation in the Linux kernel could possibly perform an out of bounds write when updating the journal for an inline file. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash). (CVE-2018-10883) It was discovered that a race condition existed in the vsock address family implementation of the Linux kernel that could lead to a use-after-free condition. A local attacker in a guest virtual machine could use this to expose sensitive information (host machine kernel memory). (CVE-2018-14625) Cfir Cohen discovered that a use-after-free vulnerability existed in the KVM implementation of the Linux kernel, when handling interrupts in environments where nested virtualization is in use (nested KVM virtualization is not enabled by default in Ubuntu kernels). A local attacker in a guest VM could possibly use this to gain administrative privileges in a host machine. (CVE-2018-16882) Jann Horn discovered that the procfs file system implementation in the Linux kernel did not properly restrict the ability to inspect the kernel stack of an arbitrary task. A local attacker could use this to expose sensitive information. (CVE-2018-17972) Jann Horn discovered that the mremap() system call in the Linux kernel did not properly flush the TLB when completing, potentially leaving access to a physical page after it has been released to the page allocator. A local attacker could use this to cause a denial of service (system crash), expose sensitive information, or possibly execute arbitrary code. (CVE-2018-18281) Wei Wu discovered that the KVM implementation in the Linux kernel did not properly ensure that ioapics were initialized. A local attacker could use this to cause a denial of service (system crash). (CVE-2018-19407) It was discovered that the debug interface for the Linux kernel
    last seen2020-03-18
    modified2019-02-05
    plugin id121592
    published2019-02-05
    reporterUbuntu Security Notice (C) 2019-2020 Canonical, Inc. / NASL script (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/121592
    titleUbuntu 18.04 LTS : linux regression (USN-3871-2)
  • NASL familySuSE Local Security Checks
    NASL idSUSE_SU-2018-2776-1.NASL
    descriptionThe SUSE Linux Enterprise 12 SP3 kernel was updated to 4.4.155 to receive various security and bugfixes. The following security bugs were fixed : CVE-2018-13093: Prevent NULL pointer dereference and panic in lookup_slow() on a NULL inode->i_ops pointer when doing pathwalks on a corrupted xfs image. This occured because of a lack of proper validation that cached inodes are free during allocation (bnc#1100001). CVE-2018-13095: Prevent denial of service (memory corruption and BUG) that could have occurred for a corrupted xfs image upon encountering an inode that is in extent format, but has more extents than fit in the inode fork (bnc#1099999). CVE-2018-13094: Prevent OOPS that may have occured for a corrupted xfs image after xfs_da_shrink_inode() is called with a NULL bp (bnc#1100000). CVE-2018-12896: Prevent integer overflow in the POSIX timer code that was caused by the way the overrun accounting works. Depending on interval and expiry time values, the overrun can be larger than INT_MAX, but the accounting is int based. This basically made the accounting values, which are visible to user space via timer_getoverrun(2) and siginfo::si_overrun, random. This allowed a local user to cause a denial of service (signed integer overflow) via crafted mmap, futex, timer_create, and timer_settime system calls (bnc#1099922). CVE-2018-16658: Prevent information leak in cdrom_ioctl_drive_status that could have been used by local attackers to read kernel memory (bnc#1107689). CVE-2018-6555: The irda_setsockopt function allowed local users to cause a denial of service (ias_object use-after-free and system crash) or possibly have unspecified other impact via an AF_IRDA socket (bnc#1106511). CVE-2018-6554: Prevent memory leak in the irda_bind function that allowed local users to cause a denial of service (memory consumption) by repeatedly binding an AF_IRDA socket (bnc#1106509). CVE-2018-1129: A flaw was found in the way signature calculation was handled by cephx authentication protocol. An attacker having access to ceph cluster network who is able to alter the message payload was able to bypass signature checks done by cephx protocol (bnc#1096748). CVE-2018-1128: It was found that cephx authentication protocol did not verify ceph clients correctly and was vulnerable to replay attack. Any attacker having access to ceph cluster network who is able to sniff packets on network can use this vulnerability to authenticate with ceph service and perform actions allowed by ceph service (bnc#1096748). CVE-2018-10938: A crafted network packet sent remotely by an attacker forced the kernel to enter an infinite loop in the cipso_v4_optptr() function leading to a denial-of-service (bnc#1106016). CVE-2018-15572: The spectre_v2_select_mitigation function did not always fill RSB upon a context switch, which made it easier for attackers to conduct userspace-userspace spectreRSB attacks (bnc#1102517). CVE-2018-10902: Protect against concurrent access to prevent double realloc (double free) in snd_rawmidi_input_params() and snd_rawmidi_output_status(). A malicious local attacker could have used this for privilege escalation (bnc#1105322 1105323). CVE-2018-9363: Prevent buffer overflow in hidp_process_report (bsc#1105292) CVE-2018-10883: A local user could have caused an out-of-bounds write in jbd2_journal_dirty_metadata(), a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image (bsc#1099863). CVE-2018-10879: A local user could have caused a use-after-free in ext4_xattr_set_entry function and a denial of service or unspecified other impact by renaming a file in a crafted ext4 filesystem image (bsc#1099844). CVE-2018-10878: A local user could have caused an out-of-bounds write and a denial of service or unspecified other impact by mounting and operating a crafted ext4 filesystem image (bsc#1099813). CVE-2018-10876: A use-after-free was possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image (bsc#1099811). CVE-2018-10877: Prevent out-of-bound access in the ext4_ext_drop_refs() function when operating on a crafted ext4 filesystem image (bsc#1099846). CVE-2018-10881: A local user could have caused an out-of-bound access in ext4_get_group_info function, a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image (bsc#1099864). CVE-2018-10882: A local user could have caused an out-of-bound write, a denial of service, and a system crash by unmounting a crafted ext4 filesystem image (bsc#1099849). CVE-2018-10880: Prevent stack-out-of-bounds write in the ext4 filesystem code when mounting and writing to a crafted ext4 image in ext4_update_inline_data(). An attacker could have used this to cause a system crash and a denial of service (bsc#1099845). The update package also includes non-security fixes. See advisory for details. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-06-01
    modified2020-06-02
    plugin id117629
    published2018-09-21
    reporterThis script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/117629
    titleSUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2018:2776-1)
  • NASL familyRed Hat Local Security Checks
    NASL idREDHAT-RHSA-2018-2948.NASL
    descriptionAn update for kernel-alt is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. The kernel-alt packages provide the Linux kernel version 4.x. Security Fix(es) : * An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load & Store instructions (a commonly used performance optimization). It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory read from address to which a recent memory write has occurred may see an older value and subsequently cause an update into the microprocessor
    last seen2020-06-01
    modified2020-06-02
    plugin id118513
    published2018-10-31
    reporterThis script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/118513
    titleRHEL 7 : kernel-alt (RHSA-2018:2948) (Spectre)
  • NASL familySuSE Local Security Checks
    NASL idOPENSUSE-2018-886.NASL
    descriptionThe openSUSE Leap 15.0 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2018-10853: A flaw was found in KVM in which certain instructions such as sgdt/sidt call segmented_write_std doesn
    last seen2020-06-05
    modified2018-08-17
    plugin id111812
    published2018-08-17
    reporterThis script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/111812
    titleopenSUSE Security Update : the Linux Kernel (openSUSE-2018-886) (Foreshadow)
  • NASL familyUbuntu Local Security Checks
    NASL idUBUNTU_USN-3871-3.NASL
    descriptionWen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10876, CVE-2018-10879) Wen Xu discovered that a buffer overflow existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10877) Wen Xu discovered that an out-of-bounds write vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10878, CVE-2018-10882) Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly ensure that xattr information remained in inode bodies. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash). (CVE-2018-10880) Wen Xu discovered that the ext4 file system implementation in the Linux kernel could possibly perform an out of bounds write when updating the journal for an inline file. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash). (CVE-2018-10883) It was discovered that a race condition existed in the vsock address family implementation of the Linux kernel that could lead to a use-after-free condition. A local attacker in a guest virtual machine could use this to expose sensitive information (host machine kernel memory). (CVE-2018-14625) Cfir Cohen discovered that a use-after-free vulnerability existed in the KVM implementation of the Linux kernel, when handling interrupts in environments where nested virtualization is in use (nested KVM virtualization is not enabled by default in Ubuntu kernels). A local attacker in a guest VM could possibly use this to gain administrative privileges in a host machine. (CVE-2018-16882) Jann Horn discovered that the procfs file system implementation in the Linux kernel did not properly restrict the ability to inspect the kernel stack of an arbitrary task. A local attacker could use this to expose sensitive information. (CVE-2018-17972) Jann Horn discovered that the mremap() system call in the Linux kernel did not properly flush the TLB when completing, potentially leaving access to a physical page after it has been released to the page allocator. A local attacker could use this to cause a denial of service (system crash), expose sensitive information, or possibly execute arbitrary code. (CVE-2018-18281) Wei Wu discovered that the KVM implementation in the Linux kernel did not properly ensure that ioapics were initialized. A local attacker could use this to cause a denial of service (system crash). (CVE-2018-19407) It was discovered that the debug interface for the Linux kernel
    last seen2020-03-18
    modified2019-02-05
    plugin id121593
    published2019-02-05
    reporterUbuntu Security Notice (C) 2019-2020 Canonical, Inc. / NASL script (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/121593
    titleUbuntu 18.04 LTS : linux-aws, linux-gcp, linux-kvm, linux-oem, linux-raspi2 vulnerabilities (USN-3871-3)
  • NASL familyUbuntu Local Security Checks
    NASL idUBUNTU_USN-3753-1.NASL
    descriptionIt was discovered that the generic SCSI driver in the Linux kernel did not properly enforce permissions on kernel memory access. A local attacker could use this to expose sensitive information or possibly elevate privileges. (CVE-2017-13168) Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10876, CVE-2018-10879) Wen Xu discovered that a buffer overflow existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10877) Wen Xu discovered that an out-of-bounds write vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10878, CVE-2018-10882) Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly keep meta-data information consistent in some situations. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash). (CVE-2018-10881) Shankara Pailoor discovered that the JFS filesystem implementation in the Linux kernel contained a buffer overflow when handling extended attributes. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-12233) Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly handle an error condition with a corrupted xfs image. An attacker could use this to construct a malicious xfs image that, when mounted, could cause a denial of service (system crash). (CVE-2018-13094) It was discovered that the Linux kernel did not properly handle setgid file creation when performed by a non-member of the group. A local attacker could use this to gain elevated privileges. (CVE-2018-13405) Silvio Cesare discovered that the generic VESA frame buffer driver in the Linux kernel contained an integer overflow. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-13406). Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-06-01
    modified2020-06-02
    plugin id112111
    published2018-08-24
    reporterUbuntu Security Notice (C) 2018-2019 Canonical, Inc. / NASL script (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/112111
    titleUbuntu 16.04 LTS : linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities (USN-3753-1)
  • NASL familyOracle Linux Local Security Checks
    NASL idORACLELINUX_ELSA-2019-4601.NASL
    descriptionDescription of changes: [2.6.39-400.308.1.el6uek] - x86/fpu: Fix 32-bit signal frame handling (Dave Hansen) [Orabug: 28874707] - x86/fpu: Factor out memset(xstate, 0) in fpu_finit() paths (Oleg Nesterov) [Orabug: 28874707] - x86/fpu: Always allow FPU in interrupt if use_eager_fpu() (Oleg Nesterov) [Orabug: 28874707] - x86/fpu: Don
    last seen2020-06-01
    modified2020-06-02
    plugin id123962
    published2019-04-10
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/123962
    titleOracle Linux 6 : Unbreakable Enterprise kernel (ELSA-2019-4601)
  • NASL familySuSE Local Security Checks
    NASL idSUSE_SU-2018-3083-1.NASL
    descriptionThe SUSE Linux Enterprise 12 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2018-14634: Prevent integer overflow in create_elf_tables that allowed a local attacker to exploit this vulnerability via a SUID-root binary and obtain full root privileges (bsc#1108912) CVE-2018-14617: Prevent NULL pointer dereference and panic in hfsplus_lookup() when opening a file (that is purportedly a hard link) in an hfs+ filesystem that has malformed catalog data, and is mounted read-only without a metadata directory (bsc#1102870) CVE-2018-16276: Incorrect bounds checking in the yurex USB driver in yurex_read allowed local attackers to use user access read/writes to crash the kernel or potentially escalate privileges (bsc#1106095) CVE-2018-12896: Prevent integer overflow in the POSIX timer code that was caused by the way the overrun accounting works. Depending on interval and expiry time values, the overrun can be larger than INT_MAX, but the accounting is int based. This basically made the accounting values, which are visible to user space via timer_getoverrun(2) and siginfo::si_overrun, random. This allowed a local user to cause a denial of service (signed integer overflow) via crafted mmap, futex, timer_create, and timer_settime system calls (bnc#1099922) CVE-2018-13093: Prevent NULL pointer dereference and panic in lookup_slow() on a NULL inode->i_ops pointer when doing pathwalks on a corrupted xfs image. This occured because of a lack of proper validation that cached inodes are free during allocation (bnc#1100001) CVE-2018-10940: The cdrom_ioctl_media_changed function allowed local attackers to use a incorrect bounds check in the CDROM driver CDROM_MEDIA_CHANGED ioctl to read out kernel memory (bsc#1092903) CVE-2018-16658: Prevent information leak in cdrom_ioctl_drive_status that could have been used by local attackers to read kernel memory (bnc#1107689) CVE-2018-6555: The irda_setsockopt function allowed local users to cause a denial of service (ias_object use-after-free and system crash) or possibly have unspecified other impact via an AF_IRDA socket (bnc#1106511) CVE-2018-6554: Prevent memory leak in the irda_bind function that allowed local users to cause a denial of service (memory consumption) by repeatedly binding an AF_IRDA socket (bnc#1106509) CVE-2018-10853: The KVM hypervisor did not check current privilege(CPL) level while emulating unprivileged instructions. An unprivileged guest user/process could have used this flaw to potentially escalate privileges inside guest (bsc#1097104) CVE-2018-10902: Protect against concurrent access to prevent double realloc (double free) in snd_rawmidi_input_params() and snd_rawmidi_output_status(). A malicious local attacker could have used this for privilege escalation (bnc#1105322). CVE-2018-10879: A local user could have caused a use-after-free in ext4_xattr_set_entry function and a denial of service or unspecified other impact by renaming a file in a crafted ext4 filesystem image (bsc#1099844) CVE-2018-10883: A local user could have caused an out-of-bounds write in jbd2_journal_dirty_metadata(), a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image (bsc#1099863) CVE-2018-10880: Prevent stack-out-of-bounds write in the ext4 filesystem code when mounting and writing to a crafted ext4 image in ext4_update_inline_data(). An attacker could have used this to cause a system crash and a denial of service (bsc#1099845) CVE-2018-10882: A local user could have caused an out-of-bound write, a denial of service, and a system crash by unmounting a crafted ext4 filesystem image (bsc#1099849) CVE-2018-10881: A local user could have caused an out-of-bound access in ext4_get_group_info function, a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image (bsc#1099864) CVE-2018-10877: Prevent out-of-bound access in the ext4_ext_drop_refs() function when operating on a crafted ext4 filesystem image (bsc#1099846) CVE-2018-10876: A use-after-free was possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image (bsc#1099811) CVE-2018-10878: A local user could have caused an out-of-bounds write and a denial of service or unspecified other impact by mounting and operating a crafted ext4 filesystem image (bsc#1099813) CVE-2018-17182: An issue was discovered in the Linux kernel The vmacache_flush_all function in mm/vmacache.c mishandled sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations (bnc#1108399). The update package also includes non-security fixes. See advisory for details. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-06-01
    modified2020-06-02
    plugin id118033
    published2018-10-10
    reporterThis script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/118033
    titleSUSE SLES12 Security Update : kernel (SUSE-SU-2018:3083-1)
  • NASL familyUbuntu Local Security Checks
    NASL idUBUNTU_USN-3871-5.NASL
    descriptionWen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10876, CVE-2018-10879) Wen Xu discovered that a buffer overflow existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10877) Wen Xu discovered that an out-of-bounds write vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10878, CVE-2018-10882) Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly ensure that xattr information remained in inode bodies. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash). (CVE-2018-10880) Wen Xu discovered that the ext4 file system implementation in the Linux kernel could possibly perform an out of bounds write when updating the journal for an inline file. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash). (CVE-2018-10883) It was discovered that a race condition existed in the vsock address family implementation of the Linux kernel that could lead to a use-after-free condition. A local attacker in a guest virtual machine could use this to expose sensitive information (host machine kernel memory). (CVE-2018-14625) Cfir Cohen discovered that a use-after-free vulnerability existed in the KVM implementation of the Linux kernel, when handling interrupts in environments where nested virtualization is in use (nested KVM virtualization is not enabled by default in Ubuntu kernels). A local attacker in a guest VM could possibly use this to gain administrative privileges in a host machine. (CVE-2018-16882) Jann Horn discovered that the procfs file system implementation in the Linux kernel did not properly restrict the ability to inspect the kernel stack of an arbitrary task. A local attacker could use this to expose sensitive information. (CVE-2018-17972) Jann Horn discovered that the mremap() system call in the Linux kernel did not properly flush the TLB when completing, potentially leaving access to a physical page after it has been released to the page allocator. A local attacker could use this to cause a denial of service (system crash), expose sensitive information, or possibly execute arbitrary code. (CVE-2018-18281) Wei Wu discovered that the KVM implementation in the Linux kernel did not properly ensure that ioapics were initialized. A local attacker could use this to cause a denial of service (system crash). (CVE-2018-19407) It was discovered that the debug interface for the Linux kernel
    last seen2020-06-01
    modified2020-06-02
    plugin id122052
    published2019-02-08
    reporterUbuntu Security Notice (C) 2019-2020 Canonical, Inc. / NASL script (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/122052
    titleUbuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : linux-azure vulnerabilities (USN-3871-5)

Redhat

advisories
rhsa
idRHSA-2018:2948
rpms
  • kernel-0:4.14.0-115.el7a
  • kernel-abi-whitelists-0:4.14.0-115.el7a
  • kernel-bootwrapper-0:4.14.0-115.el7a
  • kernel-debug-0:4.14.0-115.el7a
  • kernel-debug-debuginfo-0:4.14.0-115.el7a
  • kernel-debug-devel-0:4.14.0-115.el7a
  • kernel-debuginfo-0:4.14.0-115.el7a
  • kernel-debuginfo-common-aarch64-0:4.14.0-115.el7a
  • kernel-debuginfo-common-ppc64le-0:4.14.0-115.el7a
  • kernel-debuginfo-common-s390x-0:4.14.0-115.el7a
  • kernel-devel-0:4.14.0-115.el7a
  • kernel-doc-0:4.14.0-115.el7a
  • kernel-headers-0:4.14.0-115.el7a
  • kernel-kdump-0:4.14.0-115.el7a
  • kernel-kdump-debuginfo-0:4.14.0-115.el7a
  • kernel-kdump-devel-0:4.14.0-115.el7a
  • kernel-tools-0:4.14.0-115.el7a
  • kernel-tools-debuginfo-0:4.14.0-115.el7a
  • kernel-tools-libs-0:4.14.0-115.el7a
  • kernel-tools-libs-devel-0:4.14.0-115.el7a
  • perf-0:4.14.0-115.el7a
  • perf-debuginfo-0:4.14.0-115.el7a
  • python-perf-0:4.14.0-115.el7a
  • python-perf-debuginfo-0:4.14.0-115.el7a