Vulnerabilities > CVE-2015-7971 - Data Processing Errors vulnerability in XEN
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
PARTIAL Summary
Xen 3.2.x through 4.6.x does not limit the number of printk console messages when logging certain pmu and profiling hypercalls, which allows local guests to cause a denial of service via a sequence of crafted (1) HYPERCALL_xenoprof_op hypercalls, which are not properly handled in the do_xenoprof_op function in common/xenoprof.c, or (2) HYPERVISOR_xenpmu_op hypercalls, which are not properly handled in the do_xenpmu_op function in arch/x86/cpu/vpmu.c.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Overflow Buffers Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an attacker. As a consequence, an attacker is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the attackers' choice.
- XML Nested Payloads Applications often need to transform data in and out of the XML format by using an XML parser. It may be possible for an attacker to inject data that may have an adverse effect on the XML parser when it is being processed. By nesting XML data and causing this data to be continuously self-referential, an attacker can cause the XML parser to consume more resources while processing, causing excessive memory consumption and CPU utilization. An attacker's goal is to leverage parser failure to his or her advantage. In most cases this type of an attack will result in a denial of service due to an application becoming unstable, freezing, or crash. However it may be possible to cause a crash resulting in arbitrary code execution, leading to a jump from the data plane to the control plane [R.230.1].
- XML Oversized Payloads Applications often need to transform data in and out of the XML format by using an XML parser. It may be possible for an attacker to inject data that may have an adverse effect on the XML parser when it is being processed. By supplying oversized payloads in input vectors that will be processed by the XML parser, an attacker can cause the XML parser to consume more resources while processing, causing excessive memory consumption and CPU utilization, and potentially cause execution of arbitrary code. An attacker's goal is to leverage parser failure to his or her advantage. In many cases this type of an attack will result in a denial of service due to an application becoming unstable, freezing, or crash. However it is possible to cause a crash resulting in arbitrary code execution, leading to a jump from the data plane to the control plane [R.231.1].
- XML Client-Side Attack Client applications such as web browsers that process HTML data often need to transform data in and out of the XML format by using an XML parser. It may be possible for an attacker to inject data that may have an adverse effect on the XML parser when it is being processed. These adverse effects may include the parser crashing, consuming too much of a resource, executing too slowly, executing code supplied by an attacker, allowing usage of unintended system functionality, etc. An attacker's goal is to leverage parser failure to his or her advantage. In some cases it may be possible to jump from the data plane to the control plane via bad data being passed to an XML parser. [R.484.1]
- XML Parser Attack Applications often need to transform data in and out of the XML format by using an XML parser. It may be possible for an attacker to inject data that may have an adverse effect on the XML parser when it is being processed. These adverse effects may include the parser crashing, consuming too much of a resource, executing too slowly, executing code supplied by an attacker, allowing usage of unintended system functionality, etc. An attacker's goal is to leverage parser failure to his or her advantage. In some cases it may be possible to jump from the data plane to the control plane via bad data being passed to an XML parser. [R.99.1]
Nessus
NASL family SuSE Local Security Checks NASL id OPENSUSE-2015-750.NASL description xen was updated to fix 12 security issues. These security issues were fixed : - CVE-2015-7972: Populate-on-demand balloon size inaccuracy can crash guests (bsc#951845). - CVE-2015-7969: Leak of main per-domain vcpu pointer array (DoS) (bsc#950703). - CVE-2015-7969: Leak of per-domain profiling-related vcpu pointer array (DoS) (bsc#950705). - CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (bsc#950706). - CVE-2015-4037: Insecure temporary file use in /net/slirp.c (bsc#932267). - CVE-2014-0222: Validate L2 table size to avoid integer overflows (bsc#877642). - CVE-2015-7835: Uncontrolled creation of large page mappings by PV guests (bsc#950367). - CVE-2015-7311: libxl fails to honour readonly flag on disks with qemu-xen (bsc#947165). - CVE-2015-5165: QEMU leak of uninitialized heap memory in rtl8139 device model (bsc#939712). - CVE-2015-5166: Use after free in QEMU/Xen block unplug protocol (bsc#939709). - CVE-2015-5154: Host code execution via IDE subsystem CD-ROM (bsc#938344). - CVE-2015-3259: xl command line config handling stack overflow (bsc#935634). These non-security issues were fixed : - bsc#907514: Bus fatal error and sles12 sudden reboot has been observed - bsc#910258: SLES12 Xen host crashes with FATAL NMI after shutdown of guest with VT-d NIC - bsc#918984: Bus fatal error and sles11-SP4 sudden reboot has been observed - bsc#923967: Partner-L3: Bus fatal error and sles11-SP3 sudden reboot has been observed - bsc#901488: Intel ixgbe driver assigns rx/tx queues per core resulting in irq problems on servers with a large amount of CPU cores - bsc#945167: Running command xl pci-assignable-add 03:10.1 secondly show errors - bsc#949138: Setting vcpu affinity under Xen causes libvirtd abort - bsc#944463: VUL-0: CVE-2015-5239: qemu-kvm: Integer overflow in vnc_client_read() and protocol_client_msg() - bsc#944697: VUL-1: CVE-2015-6815: qemu: net: e1000: infinite loop issue - bsc#925466: Kdump does not work in a XEN environment last seen 2020-06-05 modified 2015-11-18 plugin id 86909 published 2015-11-18 reporter This script is Copyright (C) 2015-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/86909 title openSUSE Security Update : xen (openSUSE-2015-750) code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from openSUSE Security Update openSUSE-2015-750. # # The text description of this plugin is (C) SUSE LLC. # include("compat.inc"); if (description) { script_id(86909); script_version("2.3"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/04"); script_cve_id("CVE-2014-0222", "CVE-2015-3259", "CVE-2015-4037", "CVE-2015-5154", "CVE-2015-5165", "CVE-2015-5166", "CVE-2015-5239", "CVE-2015-6815", "CVE-2015-7311", "CVE-2015-7835", "CVE-2015-7969", "CVE-2015-7971", "CVE-2015-7972"); script_name(english:"openSUSE Security Update : xen (openSUSE-2015-750)"); script_summary(english:"Check for the openSUSE-2015-750 patch"); script_set_attribute( attribute:"synopsis", value:"The remote openSUSE host is missing a security update." ); script_set_attribute( attribute:"description", value: "xen was updated to fix 12 security issues. These security issues were fixed : - CVE-2015-7972: Populate-on-demand balloon size inaccuracy can crash guests (bsc#951845). - CVE-2015-7969: Leak of main per-domain vcpu pointer array (DoS) (bsc#950703). - CVE-2015-7969: Leak of per-domain profiling-related vcpu pointer array (DoS) (bsc#950705). - CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (bsc#950706). - CVE-2015-4037: Insecure temporary file use in /net/slirp.c (bsc#932267). - CVE-2014-0222: Validate L2 table size to avoid integer overflows (bsc#877642). - CVE-2015-7835: Uncontrolled creation of large page mappings by PV guests (bsc#950367). - CVE-2015-7311: libxl fails to honour readonly flag on disks with qemu-xen (bsc#947165). - CVE-2015-5165: QEMU leak of uninitialized heap memory in rtl8139 device model (bsc#939712). - CVE-2015-5166: Use after free in QEMU/Xen block unplug protocol (bsc#939709). - CVE-2015-5154: Host code execution via IDE subsystem CD-ROM (bsc#938344). - CVE-2015-3259: xl command line config handling stack overflow (bsc#935634). These non-security issues were fixed : - bsc#907514: Bus fatal error and sles12 sudden reboot has been observed - bsc#910258: SLES12 Xen host crashes with FATAL NMI after shutdown of guest with VT-d NIC - bsc#918984: Bus fatal error and sles11-SP4 sudden reboot has been observed - bsc#923967: Partner-L3: Bus fatal error and sles11-SP3 sudden reboot has been observed - bsc#901488: Intel ixgbe driver assigns rx/tx queues per core resulting in irq problems on servers with a large amount of CPU cores - bsc#945167: Running command xl pci-assignable-add 03:10.1 secondly show errors - bsc#949138: Setting vcpu affinity under Xen causes libvirtd abort - bsc#944463: VUL-0: CVE-2015-5239: qemu-kvm: Integer overflow in vnc_client_read() and protocol_client_msg() - bsc#944697: VUL-1: CVE-2015-6815: qemu: net: e1000: infinite loop issue - bsc#925466: Kdump does not work in a XEN environment" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=877642" ); 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script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=951845" ); script_set_attribute(attribute:"solution", value:"Update the affected xen packages."); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-debugsource"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-devel"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-doc-html"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-kmp-default"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-kmp-default-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-kmp-desktop"); 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script_set_attribute(attribute:"plugin_publication_date", value:"2015/11/18"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2015-2020 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/SuSE/release", "Host/SuSE/rpm-list", "Host/cpu"); 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, "openSUSE"); if (release !~ "^(SUSE13\.2)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "13.2", release); if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); ourarch = get_kb_item("Host/cpu"); 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NASL family SuSE Local Security Checks NASL id SUSE_SU-2016-0658-1.NASL description Xen was updated to fix the following vulnerabilities : CVE-2014-0222: Qcow1 L2 table size integer overflows (bsc#877642) CVE-2015-4037: Insecure temporary file use in /net/slirp.c (bsc#932267) CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463) CVE-2015-7504: Heap buffer overflow vulnerability in pcnet emulator (XSA-162, bsc#956411) CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (XSA-152, bsc#950706) CVE-2015-8104: Guest to host DoS by triggering an infinite loop in microcode via #DB exception (bsc#954405) CVE-2015-5307: Guest to host DOS by intercepting #AC (XSA-156, bsc#953527) CVE-2015-8339: XENMEM_exchange error handling issues (XSA-159, bsc#956408) CVE-2015-8340: XENMEM_exchange error handling issues (XSA-159, bsc#956408) CVE-2015-7512: Buffer overflow in pcnet last seen 2020-06-01 modified 2020-06-02 plugin id 89723 published 2016-03-07 reporter This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/89723 title SUSE SLES10 Security Update : Xen (SUSE-SU-2016:0658-1) NASL family OracleVM Local Security Checks NASL id ORACLEVM_OVMSA-2016-0081.NASL description The remote OracleVM system is missing necessary patches to address critical security updates : please see Oracle VM Security Advisory OVMSA-2016-0081 for details. last seen 2020-06-01 modified 2020-06-02 plugin id 91756 published 2016-06-22 reporter This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/91756 title OracleVM 3.2 : xen (OVMSA-2016-0081) NASL family Debian Local Security Checks NASL id DEBIAN_DSA-3414.NASL description Multiple security issues have been found in the Xen virtualisation solution, which may result in denial of service or information disclosure. last seen 2020-06-01 modified 2020-06-02 plugin id 87288 published 2015-12-10 reporter This script is Copyright (C) 2015-2018 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/87288 title Debian DSA-3414-1 : xen - security update NASL family SuSE Local Security Checks NASL id SUSE_SU-2015-1894-1.NASL description xen was updated to version 4.4.3 to fix nine security issues. These security issues were fixed : - CVE-2015-4037: The slirp_smb function in net/slirp.c created temporary files with predictable names, which allowed local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.*-* files before the program (bsc#932267). - CVE-2014-0222: Integer overflow in the qcow_open function allowed remote attackers to cause a denial of service (crash) via a large L2 table in a QCOW version 1 image (bsc#877642). - CVE-2015-7835: Uncontrolled creation of large page mappings by PV guests (bsc#950367). - CVE-2015-7311: libxl in Xen did not properly handle the readonly flag on disks when using the qemu-xen device model, which allowed local guest users to write to a read-only disk image (bsc#947165). - CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463). - CVE-2015-6815: With e1000 NIC emulation support it was possible to enter an infinite loop (bsc#944697). - CVE-2015-7969: Leak of main per-domain vcpu pointer array leading to denial of service (bsc#950703). - CVE-2015-7969: Leak of per-domain profiling- related vcpu pointer array leading to denial of service (bsc#950705). - CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (bsc#950706). 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 seen 2020-06-01 modified 2020-06-02 plugin id 86753 published 2015-11-05 reporter This script is Copyright (C) 2015-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/86753 title SUSE SLED11 / SLES11 Security Update : xen (SUSE-SU-2015:1894-1) NASL family SuSE Local Security Checks NASL id SUSE_SU-2015-1952-1.NASL description xen was updated to fix eight security issues. These security issues were fixed : - CVE-2015-4037: The slirp_smb function in net/slirp.c created temporary files with predictable names, which allowed local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.*-* files before the program (bsc#932267). - CVE-2014-0222: Integer overflow in the qcow_open function allowed remote attackers to cause a denial of service (crash) via a large L2 table in a QCOW version 1 image (bsc#877642). - CVE-2015-7835: Uncontrolled creation of large page mappings by PV guests (bsc#950367). - CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463). - CVE-2015-6815: With e1000 NIC emulation support it was possible to enter an infinite loop (bsc#944697). - CVE-2015-7969: Leak of main per-domain vcpu pointer array leading to denial of service (bsc#950703). - CVE-2015-7969: Leak of per-domain profiling- related vcpu pointer array leading to denial of service (bsc#950705). - CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (bsc#950706). 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 seen 2020-06-01 modified 2020-06-02 plugin id 86865 published 2015-11-13 reporter This script is Copyright (C) 2015-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/86865 title SUSE SLES11 Security Update : xen (SUSE-SU-2015:1952-1) NASL family OracleVM Local Security Checks NASL id ORACLEVM_OVMSA-2015-0143.NASL description The remote OracleVM system is missing necessary patches to address critical security updates : - x86: rate-limit logging in do_xen[oprof,pmu]_op Some of the sub-ops are acessible to all guests, and hence should be rate-limited. In the xenoprof case, just like for XSA-146, include them only in debug builds. Since the vPMU code is rather new, allow them to be always present, but downgrade them to (rate limited) guest messages. This is XSA-152. (CVE-2015-7971) - xenoprof: free domain last seen 2020-06-01 modified 2020-06-02 plugin id 86802 published 2015-11-09 reporter This script is Copyright (C) 2015-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/86802 title OracleVM 3.2 : xen (OVMSA-2015-0143) NASL family SuSE Local Security Checks NASL id SUSE_SU-2015-2338-1.NASL description This update fixes the following security issues : - bsc#955399 - Fix xm migrate --log_progress. Due to logic error progress was not logged when requested. - bsc#956832 - CVE-2015-8345: xen: qemu: net: eepro100: infinite loop in processing command block list - bsc#956592 - xen: virtual PMU is unsupported (XSA-163) - bsc#956408 - CVE-2015-8339, CVE-2015-8340: xen: XENMEM_exchange error handling issues (XSA-159) - bsc#956409 - CVE-2015-8341: xen: libxl leak of pv kernel and initrd on error (XSA-160) - bsc#956411 - CVE-2015-7504: xen: heap buffer overflow vulnerability in pcnet emulator (XSA-162) - bsc#947165 - CVE-2015-7311: xen: libxl fails to honour readonly flag on disks with qemu-xen (xsa-142) - bsc#955399 - Fix xm migrate --live. The options were not passed due to a merge error. As a result the migration was not live, instead the suspended guest was migrated. - bsc#954405 - CVE-2015-8104: Xen: guest to host DoS by triggering an infinite loop in microcode via #DB exception - bsc#954018 - CVE-2015-5307: xen: x86: CPU lockup during fault delivery (XSA-156) - bsc#950704 - CVE-2015-7970: xen: x86: Long latency populate-on-demand operation is not preemptible (XSA-150) - bsc#951845 - CVE-2015-7972: xen: x86: populate-on-demand balloon size inaccuracy can crash guests (XSA-153) - Drop 5604f239-x86-PV-properly-populate-descriptor-tables.patc h - bsc#950703 - CVE-2015-7969: xen: leak of main per-domain vcpu pointer array (DoS) (XSA-149) - bsc#950705 - CVE-2015-7969: xen: x86: leak of per-domain profiling-related vcpu pointer array (DoS) (XSA-151) - bsc#950706 - CVE-2015-7971: xen: x86: some pmu and profiling hypercalls log without rate limiting (XSA-152) 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 seen 2020-06-01 modified 2020-06-02 plugin id 87650 published 2015-12-29 reporter This script is Copyright (C) 2015-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/87650 title SUSE SLED11 / SLES11 Security Update : xen (SUSE-SU-2015:2338-1) NASL family Fedora Local Security Checks NASL id FEDORA_2015-A931B02BE2.NASL description nine security updates CVE-2015-7969 CVE-2015-7970 CVE-2015-7813 CVE-2015-7814 CVE-2015-7812 CVE-2015-7971 CVE-2015-7835 CVE-2015-7972 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-05 modified 2016-03-04 plugin id 89359 published 2016-03-04 reporter This script is Copyright (C) 2016-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/89359 title Fedora 23 : xen-4.5.1-14.fc23 (2015-a931b02be2) NASL family Fedora Local Security Checks NASL id FEDORA_2015-6F6B79EFE2.NASL description nine security updates CVE-2015-7969 CVE-2015-7970 CVE-2015-7813 CVE-2015-7814 CVE-2015-7812 CVE-2015-7971 CVE-2015-7835 CVE-2015-7972 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-05 modified 2016-03-04 plugin id 89278 published 2016-03-04 reporter This script is Copyright (C) 2016-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/89278 title Fedora 22 : xen-4.5.1-14.fc22 (2015-6f6b79efe2) NASL family FreeBSD Local Security Checks NASL id FREEBSD_PKG_E4848CA4882011E5AB94002590263BF5.NASL description The Xen Project reports : HYPERCALL_xenoprof_op and HYPERVISOR_xenpmu_op log some errors and attempts at invalid operations. These log messages are not rate-limited, even though they can be triggered by guests. A malicious guest could cause repeated logging to the hypervisor console, leading to a Denial of Service attack. last seen 2020-06-01 modified 2020-06-02 plugin id 86841 published 2015-11-11 reporter This script is Copyright (C) 2015-2018 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/86841 title FreeBSD : xen-kernel -- some pmu and profiling hypercalls log without rate limiting (e4848ca4-8820-11e5-ab94-002590263bf5) NASL family OracleVM Local Security Checks NASL id ORACLEVM_OVMSA-2015-0141.NASL description The remote OracleVM system is missing necessary patches to address critical security updates : - x86: rate-limit logging in do_xen[oprof,pmu]_op Some of the sub-ops are acessible to all guests, and hence should be rate-limited. In the xenoprof case, just like for XSA-146, include them only in debug builds. Since the vPMU code is rather new, allow them to be always present, but downgrade them to (rate limited) guest messages. This is XSA-152. (CVE-2015-7971) - xenoprof: free domain last seen 2020-06-01 modified 2020-06-02 plugin id 86669 published 2015-10-30 reporter This script is Copyright (C) 2015-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/86669 title OracleVM 3.3 : xen (OVMSA-2015-0141) NASL family SuSE Local Security Checks NASL id SUSE_SU-2015-1853-1.NASL description xen was updated to fix nine security issues. These security issues were fixed : - CVE-2015-4037: The slirp_smb function in net/slirp.c created temporary files with predictable names, which allowed local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.*-* files before the program (bsc#932267). - CVE-2014-0222: Integer overflow in the qcow_open function allowed remote attackers to cause a denial of service (crash) via a large L2 table in a QCOW version 1 image (bsc#877642). - CVE-2015-7835: Uncontrolled creation of large page mappings by PV guests (bsc#950367). - CVE-2015-7311: libxl in Xen did not properly handle the readonly flag on disks when using the qemu-xen device model, which allowed local guest users to write to a read-only disk image (bsc#947165). - CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463). - CVE-2015-6815: With e1000 NIC emulation support it was possible to enter an infinite loop (bsc#944697). - CVE-2015-7969: Leak of main per-domain vcpu pointer array leading to denial of service (bsc#950703). - CVE-2015-7969: Leak of per-domain profiling- related vcpu pointer array leading to denial of service (bsc#950705). - CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (bsc#950706). 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 seen 2020-06-01 modified 2020-06-02 plugin id 86704 published 2015-11-03 reporter This script is Copyright (C) 2015-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/86704 title SUSE SLED11 / SLES11 Security Update : xen (SUSE-SU-2015:1853-1) NASL family Gentoo Local Security Checks NASL id GENTOO_GLSA-201604-03.NASL description The remote host is affected by the vulnerability described in GLSA-201604-03 (Xen: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in Xen. Please review the CVE identifiers referenced below for details. Impact : A local attacker could possibly cause a Denial of Service condition or obtain sensitive information. Workaround : There is no known workaround at this time. last seen 2020-06-01 modified 2020-06-02 plugin id 90380 published 2016-04-07 reporter This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/90380 title GLSA-201604-03 : Xen: Multiple vulnerabilities (Venom) NASL family OracleVM Local Security Checks NASL id ORACLEVM_OVMSA-2018-0248.NASL description The remote OracleVM system is missing necessary patches to address critical security updates : please see Oracle VM Security Advisory OVMSA-2018-0248 for details. last seen 2020-06-01 modified 2020-06-02 plugin id 111992 published 2018-08-20 reporter This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/111992 title OracleVM 3.4 : xen (OVMSA-2018-0248) (Bunker Buster) (Foreshadow) (Meltdown) (POODLE) (Spectre) NASL family SuSE Local Security Checks NASL id SUSE_SU-2015-2306-1.NASL description This update fixes the following security issues : - bsc#956832 - CVE-2015-8345: xen: qemu: net: eepro100: infinite loop in processing command block list - bsc#956408 - CVE-2015-8339, CVE-2015-8340: xen: XENMEM_exchange error handling issues (XSA-159) xsa159.patch - bsc#956411 - CVE-2015-7504: xen: heap buffer overflow vulnerability in pcnet emulator (XSA-162) - bsc#954405 - CVE-2015-8104: Xen: guest to host DoS by triggering an infinite loop in microcode via #DB exception - bsc#953527 - CVE-2015-5307: kernel: kvm/xen: x86: avoid guest->host DOS by intercepting #AC (XSA-156) - bsc#950704 - CVE-2015-7970: xen: x86: Long latency populate-on-demand operation is not preemptible (XSA-150) - bsc#951845 - CVE-2015-7972: xen: x86: populate-on-demand balloon size inaccuracy can crash guests (XSA-153) - bsc#950703 - CVE-2015-7969: xen: leak of main per-domain vcpu pointer array (DoS) (XSA-149) - bsc#950705 - CVE-2015-7969: xen: x86: leak of per-domain profiling-related vcpu pointer array (DoS) (XSA-151) - bsc#950706 - CVE-2015-7971: xen: x86: some pmu and profiling hypercalls log without rate limiting (XSA-152) 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 seen 2020-06-01 modified 2020-06-02 plugin id 87528 published 2015-12-21 reporter This script is Copyright (C) 2015-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/87528 title SUSE SLES11 Security Update : xen (SUSE-SU-2015:2306-1) NASL family Fedora Local Security Checks NASL id FEDORA_2015-242BE2C240.NASL description nine security updates CVE-2015-7969 CVE-2015-7970 CVE-2015-7813 CVE-2015-7814 CVE-2015-7812 CVE-2015-7971 CVE-2015-7835 CVE-2015-7972 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-05 modified 2016-03-04 plugin id 89177 published 2016-03-04 reporter This script is Copyright (C) 2016-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/89177 title Fedora 21 : xen-4.4.3-7.fc21 (2015-242be2c240) NASL family OracleVM Local Security Checks NASL id ORACLEVM_OVMSA-2015-0142.NASL description The remote OracleVM system is missing necessary patches to address critical security updates : please see Oracle VM Security Advisory OVMSA-2015-0142 for details. last seen 2020-06-01 modified 2020-06-02 plugin id 86670 published 2015-10-30 reporter This script is Copyright (C) 2015-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/86670 title OracleVM 3.2 : xen (OVMSA-2015-0142) NASL family SuSE Local Security Checks NASL id SUSE_SU-2015-1908-1.NASL description xen was updated to version 4.4.3 to fix nine security issues. These security issues were fixed : - CVE-2015-4037: The slirp_smb function in net/slirp.c created temporary files with predictable names, which allowed local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.*-* files before the program (bsc#932267). - CVE-2014-0222: Integer overflow in the qcow_open function allowed remote attackers to cause a denial of service (crash) via a large L2 table in a QCOW version 1 image (bsc#877642). - CVE-2015-7835: Uncontrolled creation of large page mappings by PV guests (bsc#950367). - CVE-2015-7311: libxl in Xen did not properly handle the readonly flag on disks when using the qemu-xen device model, which allowed local guest users to write to a read-only disk image (bsc#947165). - CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463). - CVE-2015-6815: With e1000 NIC emulation support it was possible to enter an infinite loop (bsc#944697). - CVE-2015-7969: Leak of main per-domain vcpu pointer array leading to denial of service (bsc#950703). - CVE-2015-7969: Leak of per-domain profiling- related vcpu pointer array leading to denial of service (bsc#950705). - CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (bsc#950706). 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 seen 2020-06-01 modified 2020-06-02 plugin id 86756 published 2015-11-05 reporter This script is Copyright (C) 2015-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/86756 title SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2015:1908-1) NASL family SuSE Local Security Checks NASL id OPENSUSE-2015-730.NASL description Xen was updated to fix 6 security issues. These security issues were fixed : - CVE-2014-0222: Validate L2 table size to avoid integer overflows (bsc#877642). - CVE-2015-4037: Insecure temporary file use in /net/slirp.c (bsc#932267). - CVE-2015-7835: Uncontrolled creation of large page mappings by PV guests (bsc#950367). - CVE-2015-7969: Leak of per-domain profiling-related vcpu pointer array (DoS) (bsc#950705 bsc#950703). - CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (bsc#950706). - CVE-2015-7972: Populate-on-demand balloon size inaccuracy can crash guests (bsc#951845). last seen 2020-06-05 modified 2015-11-20 plugin id 86961 published 2015-11-20 reporter This script is Copyright (C) 2015-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/86961 title openSUSE Security Update : xen (openSUSE-2015-730) NASL family Debian Local Security Checks NASL id DEBIAN_DLA-479.NASL description This security update fixes a number of security issues in Xen in wheezy. For Debian 7 last seen 2020-03-17 modified 2016-05-18 plugin id 91198 published 2016-05-18 reporter This script is Copyright (C) 2016-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/91198 title Debian DLA-479-1 : xen security update NASL family SuSE Local Security Checks NASL id OPENSUSE-2015-729.NASL description xen was updated to fix 13 security issues. These security issues were fixed : - CVE-2015-7972: Populate-on-demand balloon size inaccuracy can crash guests (bsc#951845). - CVE-2015-7969: Leak of main per-domain vcpu pointer array (DoS) (bsc#950703). - CVE-2015-7969: Leak of per-domain profiling-related vcpu pointer array (DoS) (bsc#950705). - CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (bsc#950706). - CVE-2015-4037: Insecure temporary file use in /net/slirp.c (bsc#932267). - CVE-2014-0222: Validate L2 table size to avoid integer overflows (bsc#877642). - CVE-2015-7835: Uncontrolled creation of large page mappings by PV guests (bsc#950367). - CVE-2015-7311: libxl fails to honour readonly flag on disks with qemu-xen (bsc#947165). - CVE-2015-5165: QEMU leak of uninitialized heap memory in rtl8139 device model (bsc#939712). - CVE-2015-5166: Use after free in QEMU/Xen block unplug protocol (bsc#939709). - CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463). - CVE-2015-6815: e1000: infinite loop issue (bsc#944697). - CVE-2015-5154: Host code execution via IDE subsystem CD-ROM (bsc#938344). This non-security issues was fixed : - bsc#941074: VmError: Device 51728 (vbd) could not be connected. Hotplug scripts not working. last seen 2020-06-05 modified 2015-11-13 plugin id 86863 published 2015-11-13 reporter This script is Copyright (C) 2015-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/86863 title openSUSE Security Update : xen (openSUSE-2015-729) NASL family SuSE Local Security Checks NASL id SUSE_SU-2015-2326-1.NASL description This update fixes the following security issues : - bsc#956832 - CVE-2015-8345: xen: qemu: net: eepro100: infinite loop in processing command block list - bsc#956592 - xen: virtual PMU is unsupported (XSA-163) - bsc#956408 - CVE-2015-8339, CVE-2015-8340: xen: XENMEM_exchange error handling issues (XSA-159) - bsc#956409 - CVE-2015-8341: xen: libxl leak of pv kernel and initrd on error (XSA-160) - bsc#956411 - CVE-2015-7504: xen: heap buffer overflow vulnerability in pcnet emulator (XSA-162) - bsc#947165 - CVE-2015-7311: xen: libxl fails to honour readonly flag on disks with qemu-xen (xsa-142) - bsc#954405 - CVE-2015-8104: Xen: guest to host DoS by triggering an infinite loop in microcode via #DB exception - bsc#954018 - CVE-2015-5307: xen: x86: CPU lockup during fault delivery (XSA-156) - bsc#950704 - CVE-2015-7970: xen: x86: Long latency populate-on-demand operation is not preemptible (XSA-150) - bsc#951845 - CVE-2015-7972: xen: x86: populate-on-demand balloon size inaccuracy can crash guests (XSA-153) - bsc#950703 - CVE-2015-7969: xen: leak of main per-domain vcpu pointer array (DoS) (XSA-149) - bsc#950705 - CVE-2015-7969: xen: x86: leak of per-domain profiling-related vcpu pointer array (DoS) (XSA-151) - bsc#950706 - CVE-2015-7971: xen: x86: some pmu and profiling hypercalls log without rate limiting (XSA-152) 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 seen 2020-06-01 modified 2020-06-02 plugin id 87590 published 2015-12-22 reporter This script is Copyright (C) 2015-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/87590 title SUSE SLED11 / SLES11 Security Update : xen (SUSE-SU-2015:2326-1) NASL family SuSE Local Security Checks NASL id SUSE_SU-2015-2328-1.NASL description This update fixes the following security issues : - bsc#956832 - CVE-2015-8345: xen: qemu: net: eepro100: infinite loop in processing command block list - bsc#956592 - xen: virtual PMU is unsupported (XSA-163) - bsc#956408 - CVE-2015-8339, CVE-2015-8340: xen: XENMEM_exchange error handling issues (XSA-159) - bsc#956409 - CVE-2015-8341: xen: libxl leak of pv kernel and initrd on error (XSA-160) - bsc#956411 - CVE-2015-7504: xen: heap buffer overflow vulnerability in pcnet emulator (XSA-162) - bsc#947165 - CVE-2015-7311: xen: libxl fails to honour readonly flag on disks with qemu-xen (xsa-142) - bsc#954405 - CVE-2015-8104: Xen: guest to host DoS by triggering an infinite loop in microcode via #DB exception - bsc#954018 - CVE-2015-5307: xen: x86: CPU lockup during fault delivery (XSA-156) CVE-2015-5307-xsa156.patch - bsc#950704 - CVE-2015-7970: xen: x86: Long latency populate-on-demand operation is not preemptible (XSA-150) 563212c9-x86-PoD-Eager-sweep-for-zeroed-pages.patch - bsc#951845 - CVE-2015-7972: xen: x86: populate-on-demand balloon size inaccuracy can crash guests (XSA-153) xsa153-libxl.patch xend-xsa153.patch - Drop 5604f239-x86-PV-properly-populate-descriptor-tables.patc h - bsc#950703 - CVE-2015-7969: xen: leak of main per-domain vcpu pointer array (DoS) (XSA-149) - bsc#950705 - CVE-2015-7969: xen: x86: leak of per-domain profiling-related vcpu pointer array (DoS) (XSA-151) - bsc#950706 - CVE-2015-7971: xen: x86: some pmu and profiling hypercalls log without rate limiting (XSA-152) 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 seen 2020-06-01 modified 2020-06-02 plugin id 87591 published 2015-12-22 reporter This script is Copyright (C) 2015-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/87591 title SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2015:2328-1)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html
- http://lists.opensuse.org/opensuse-updates/2015-11/msg00063.html
- http://support.citrix.com/article/CTX202404
- http://www.debian.org/security/2015/dsa-3414
- http://www.securityfocus.com/bid/77363
- http://www.securitytracker.com/id/1034035
- http://xenbits.xen.org/xsa/advisory-152.html
- https://security.gentoo.org/glsa/201604-03