Vulnerabilities > CVE-2006-2446 - Socket Buffer Handling Remote Denial of Service vulnerability in Linux Kernel 2.6.9
Attack vector
NETWORK Attack complexity
HIGH Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
COMPLETE Summary
Race condition between the kfree_skb and __skb_unlink functions in the socket buffer handling in Linux kernel 2.6.9, and possibly other versions, allows remote attackers to cause a denial of service (crash), as demonstrated using the TCP stress tests from the LTP test suite.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| OS | 1 |
Nessus
NASL family Debian Local Security Checks NASL id DEBIAN_DSA-1183.NASL description Several security related problems have been discovered in the Linux kernel which may lead to a denial of service or even the execution of arbitrary code. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2005-4798 A buffer overflow in NFS readlink handling allows a malicious remote server to cause a denial of service. - CVE-2006-2935 Diego Calleja Garcia discovered a buffer overflow in the DVD handling code that could be exploited by a specially crafted DVD USB storage device to execute arbitrary code. - CVE-2006-1528 A bug in the SCSI driver allows a local user to cause a denial of service. - CVE-2006-2444 Patrick McHardy discovered a bug in the SNMP NAT helper that allows remote attackers to cause a denial of service. - CVE-2006-2446 A race condition in the socket buffer handling allows remote attackers to cause a denial of service. - CVE-2006-3745 Wei Wang discovered a bug in the SCTP implementation that allows local users to cause a denial of service and possibly gain root privileges. - CVE-2006-4535 David Miller reported a problem with the fix for CVE-2006-3745 that allows local users to crash the system via an SCTP socket with a certain SO_LINGER value. The following matrix explains which kernel version for which architecture fixes the problem mentioned above : stable (sarge) Source 2.4.27-10sarge4 Alpha architecture 2.4.27-10sarge4 ARM architecture 2.4.27-2sarge4 Intel IA-32 architecture 2.4.27-10sarge4 Intel IA-64 architecture 2.4.27-10sarge4 Motorola 680x0 architecture 2.4.27-3sarge4 MIPS architectures 2.4.27-10.sarge4.040815-1 PowerPC architecture 2.4.27-10sarge4 IBM S/390 2.4.27-2sarge4 Sun Sparc architecture 2.4.27-9sarge4 FAI 1.9.1sarge4 mindi-kernel 2.4.27-2sarge3 kernel-image-speakup-i386 2.4.27-1.1sarge3 systemimager 3.2.3-6sarge3 last seen 2020-06-01 modified 2020-06-02 plugin id 22725 published 2006-10-14 reporter This script is Copyright (C) 2006-2019 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/22725 title Debian DSA-1183-1 : kernel-source-2.4.27 - several vulnerabilities NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2006-0575.NASL description Updated kernel packages are now available as part of ongoing support and maintenance of Red Hat Enterprise Linux version 4. This update has been rated as having important security impact by the Red Hat Security Response Team. The Linux kernel handles the basic functions of the operating system. This is the fourth regular update to Red Hat Enterprise Linux 4. New features introduced in this update include : * Device Mapper mirroring support * IDE diskdump support * x86, AMD64 and Intel EM64T: Multi-core scheduler support enhancements * Itanium: perfmon support for Montecito * much improved support for IBM x460 * AMD PowerNow! patches to support Opteron Rev G * Vmalloc support > 64MB The following device drivers have been upgraded to new versions : ipmi: 33.11 to 33.13 ib_mthca: 0.06 to 0.08 bnx2: 1.4.30 to 1.4.38 bonding: 2.6.1 to 2.6.3 e100: 3.4.8-k2-NAPI to 3.5.10-k2-NAPI e1000: 6.1.16-k3-NAPI to 7.0.33-k2-NAPI sky2: 0.13 to 1.1 tg3: 3.43-rh to 3.52-rh ipw2100: 1.1.0 to git-1.1.4 ipw2200: 1.0.0 to git-1.0.10 3w-9xxx: 2.26.02.001 to 2.26.04.010 ips: 7.10.18 to 7.12.02 iscsi_sfnet: 4:0.1.11-2 to 4:0.1.11-3 lpfc: 0:8.0.16.18 to 0:8.0.16.27 megaraid_sas: 00.00.02.00 to 00.00.02.03-RH1 qla2xxx: 8.01.02-d4 to 8.01.04-d7 qla6312: 8.01.02-d4 to 8.01.04-d7 sata_promise: 1.03 to 1.04 sata_vsc: 1.1 to 1.2 ibmvscsic: 1.5.5 to 1.5.6 ipr: 2.0.11.1 to 2.0.11.2 Added drivers : dcdbas: 5.6.0-2 sata_mv: 0.6 sata_qstor: 0.05 sata_uli: 0.5 skge: 1.1 stex: 2.9.0.13 pdc_adma: 0.03 This update includes fixes for the security issues : * a flaw in the USB devio handling of device removal that allowed a local user to cause a denial of service (crash) (CVE-2005-3055, moderate) * a flaw in the ACL handling of nfsd that allowed a remote user to bypass ACLs for readonly mounted NFS file systems (CVE-2005-3623, moderate) * a flaw in the netfilter handling that allowed a local user with CAP_NET_ADMIN rights to cause a buffer overflow (CVE-2006-0038, low) * a flaw in the IBM S/390 and IBM zSeries strnlen_user() function that allowed a local user to cause a denial of service (crash) or to retrieve random kernel data (CVE-2006-0456, important) * a flaw in the keyctl functions that allowed a local user to cause a denial of service (crash) or to read sensitive kernel memory (CVE-2006-0457, important) * a flaw in unaligned accesses handling on Itanium processors that allowed a local user to cause a denial of service (crash) (CVE-2006-0742, important) * a flaw in SELinux ptrace logic that allowed a local user with ptrace permissions to change the tracer SID to a SID of another process (CVE-2006-1052, moderate) * an info leak on AMD-based x86 and x86_64 systems that allowed a local user to retrieve the floating point exception state of a process run by a different user (CVE-2006-1056, important) * a flaw in IPv4 packet output handling that allowed a remote user to bypass the zero IP ID countermeasure on systems with a disabled firewall (CVE-2006-1242, low) * a minor info leak in socket option handling in the network code (CVE-2006-1343, low) * a flaw in the HB-ACK chunk handling of SCTP that allowed a remote user to cause a denial of service (crash) (CVE-2006-1857, moderate) * a flaw in the SCTP implementation that allowed a remote user to cause a denial of service (deadlock) (CVE-2006-2275, moderate) * a flaw in the socket buffer handling that allowed a remote user to cause a denial of service (panic) (CVE-2006-2446, important) * a flaw in the signal handling access checking on PowerPC that allowed a local user to cause a denial of service (crash) or read arbitrary kernel memory on 64-bit systems (CVE-2006-2448, important) * a flaw in the netfilter SCTP module when receiving a chunkless packet that allowed a remote user to cause a denial of service (crash) (CVE-2006-2934, important) There were several bug fixes in various parts of the kernel. The ongoing effort to resolve these problems has resulted in a marked improvement in the reliability and scalability of Red Hat Enterprise Linux 4. last seen 2020-06-01 modified 2020-06-02 plugin id 22221 published 2006-08-14 reporter This script is Copyright (C) 2006-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/22221 title RHEL 4 : kernel (RHSA-2006:0575) NASL family Debian Local Security Checks NASL id DEBIAN_DSA-1184.NASL description This advisory covers the S/390 components of the recent security update for the Linux 2.6.8 kernel that were missing due to technical problems. For reference, please see the text of the original advisory. Several security related problems have been discovered in the Linux kernel which may lead to a denial of service or even the execution of arbitrary code. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2004-2660 Toshihiro Iwamoto discovered a memory leak in the handling of direct I/O writes that allows local users to cause a denial of service. - CVE-2005-4798 A buffer overflow in NFS readlink handling allows a malicious remote server to cause a denial of service. - CVE-2006-1052 Stephen Smalley discovered a bug in the SELinux ptrace handling that allows local users with ptrace permissions to change the tracer SID to the SID of another process. - CVE-2006-1343 Pavel Kankovsky discovered an information leak in the getsockopt system call which can be exploited by a local program to leak potentially sensitive memory to userspace. - CVE-2006-1528 Douglas Gilbert reported a bug in the sg driver that allows local users to cause a denial of service by performing direct I/O transfers from the sg driver to memory mapped I/O space. - CVE-2006-1855 Mattia Belletti noticed that certain debugging code left in the process management code could be exploited by a local attacker to cause a denial of service. - CVE-2006-1856 Kostik Belousov discovered a missing LSM file_permission check in the readv and writev functions which might allow attackers to bypass intended access restrictions. - CVE-2006-2444 Patrick McHardy discovered a bug in the SNMP NAT helper that allows remote attackers to cause a denial of service. - CVE-2006-2446 A race condition in the socket buffer handling allows remote attackers to cause a denial of service. - CVE-2006-2935 Diego Calleja Garcia discovered a buffer overflow in the DVD handling code that could be exploited by a specially crafted DVD USB storage device to execute arbitrary code. - CVE-2006-2936 A bug in the serial USB driver has been discovered that could be exploited by a custom made USB serial adapter to consume arbitrary amounts of memory. - CVE-2006-3468 James McKenzie discovered a denial of service vulnerability in the NFS driver. When exporting an ext3 file system over NFS, a remote attacker could exploit this to trigger a file system panic by sending a specially crafted UDP packet. - CVE-2006-3745 Wei Wang discovered a bug in the SCTP implementation that allows local users to cause a denial of service and possibly gain root privileges. - CVE-2006-4093 Olof Johansson discovered that the kernel does not disable the HID0 bit on PowerPC 970 processors which could be exploited by a local attacker to cause a denial of service. - CVE-2006-4145 A bug in the Universal Disk Format (UDF) filesystem driver could be exploited by a local user to cause a denial of service. - CVE-2006-4535 David Miller reported a problem with the fix for CVE-2006-3745 that allows local users to crash the system via an SCTP socket with a certain SO_LINGER value. The following matrix explains which kernel version for which architecture fixes the problem mentioned above : stable (sarge) Source 2.6.8-16sarge5 Alpha architecture 2.6.8-16sarge5 AMD64 architecture 2.6.8-16sarge5 HP Precision architecture 2.6.8-6sarge5 Intel IA-32 architecture 2.6.8-16sarge5 Intel IA-64 architecture 2.6.8-14sarge5 Motorola 680x0 architecture 2.6.8-4sarge5 PowerPC architecture 2.6.8-12sarge5 IBM S/390 2.6.8-5sarge5 Sun Sparc architecture 2.6.8-15sarge5 FAI 1.9.1sarge4 last seen 2020-06-01 modified 2020-06-02 plugin id 22726 published 2006-10-14 reporter This script is Copyright (C) 2006-2019 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/22726 title Debian DSA-1184-2 : kernel-source-2.6.8 - several vulnerabilities NASL family CentOS Local Security Checks NASL id CENTOS_RHSA-2006-0575.NASL description Updated kernel packages are now available as part of ongoing support and maintenance of Red Hat Enterprise Linux version 4. This update has been rated as having important security impact by the Red Hat Security Response Team. The Linux kernel handles the basic functions of the operating system. This is the fourth regular update to Red Hat Enterprise Linux 4. New features introduced in this update include : * Device Mapper mirroring support * IDE diskdump support * x86, AMD64 and Intel EM64T: Multi-core scheduler support enhancements * Itanium: perfmon support for Montecito * much improved support for IBM x460 * AMD PowerNow! patches to support Opteron Rev G * Vmalloc support > 64MB The following device drivers have been upgraded to new versions : ipmi: 33.11 to 33.13 ib_mthca: 0.06 to 0.08 bnx2: 1.4.30 to 1.4.38 bonding: 2.6.1 to 2.6.3 e100: 3.4.8-k2-NAPI to 3.5.10-k2-NAPI e1000: 6.1.16-k3-NAPI to 7.0.33-k2-NAPI sky2: 0.13 to 1.1 tg3: 3.43-rh to 3.52-rh ipw2100: 1.1.0 to git-1.1.4 ipw2200: 1.0.0 to git-1.0.10 3w-9xxx: 2.26.02.001 to 2.26.04.010 ips: 7.10.18 to 7.12.02 iscsi_sfnet: 4:0.1.11-2 to 4:0.1.11-3 lpfc: 0:8.0.16.18 to 0:8.0.16.27 megaraid_sas: 00.00.02.00 to 00.00.02.03-RH1 qla2xxx: 8.01.02-d4 to 8.01.04-d7 qla6312: 8.01.02-d4 to 8.01.04-d7 sata_promise: 1.03 to 1.04 sata_vsc: 1.1 to 1.2 ibmvscsic: 1.5.5 to 1.5.6 ipr: 2.0.11.1 to 2.0.11.2 Added drivers : dcdbas: 5.6.0-2 sata_mv: 0.6 sata_qstor: 0.05 sata_uli: 0.5 skge: 1.1 stex: 2.9.0.13 pdc_adma: 0.03 This update includes fixes for the security issues : * a flaw in the USB devio handling of device removal that allowed a local user to cause a denial of service (crash) (CVE-2005-3055, moderate) * a flaw in the ACL handling of nfsd that allowed a remote user to bypass ACLs for readonly mounted NFS file systems (CVE-2005-3623, moderate) * a flaw in the netfilter handling that allowed a local user with CAP_NET_ADMIN rights to cause a buffer overflow (CVE-2006-0038, low) * a flaw in the IBM S/390 and IBM zSeries strnlen_user() function that allowed a local user to cause a denial of service (crash) or to retrieve random kernel data (CVE-2006-0456, important) * a flaw in the keyctl functions that allowed a local user to cause a denial of service (crash) or to read sensitive kernel memory (CVE-2006-0457, important) * a flaw in unaligned accesses handling on Itanium processors that allowed a local user to cause a denial of service (crash) (CVE-2006-0742, important) * a flaw in SELinux ptrace logic that allowed a local user with ptrace permissions to change the tracer SID to a SID of another process (CVE-2006-1052, moderate) * an info leak on AMD-based x86 and x86_64 systems that allowed a local user to retrieve the floating point exception state of a process run by a different user (CVE-2006-1056, important) * a flaw in IPv4 packet output handling that allowed a remote user to bypass the zero IP ID countermeasure on systems with a disabled firewall (CVE-2006-1242, low) * a minor info leak in socket option handling in the network code (CVE-2006-1343, low) * a flaw in the HB-ACK chunk handling of SCTP that allowed a remote user to cause a denial of service (crash) (CVE-2006-1857, moderate) * a flaw in the SCTP implementation that allowed a remote user to cause a denial of service (deadlock) (CVE-2006-2275, moderate) * a flaw in the socket buffer handling that allowed a remote user to cause a denial of service (panic) (CVE-2006-2446, important) * a flaw in the signal handling access checking on PowerPC that allowed a local user to cause a denial of service (crash) or read arbitrary kernel memory on 64-bit systems (CVE-2006-2448, important) * a flaw in the netfilter SCTP module when receiving a chunkless packet that allowed a remote user to cause a denial of service (crash) (CVE-2006-2934, important) There were several bug fixes in various parts of the kernel. The ongoing effort to resolve these problems has resulted in a marked improvement in the reliability and scalability of Red Hat Enterprise Linux 4. last seen 2020-06-01 modified 2020-06-02 plugin id 22276 published 2006-08-30 reporter This script is Copyright (C) 2006-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/22276 title CentOS 4 : kernel (CESA-2006:0575)
Oval
| accepted | 2013-04-29T04:18:17.249-04:00 | ||||||||||||
| class | vulnerability | ||||||||||||
| contributors |
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| definition_extensions |
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| description | Race condition between the kfree_skb and __skb_unlink functions in the socket buffer handling in Linux kernel 2.6.9, and possibly other versions, allows remote attackers to cause a denial of service (crash), as demonstrated using the TCP stress tests from the LTP test suite. | ||||||||||||
| family | unix | ||||||||||||
| id | oval:org.mitre.oval:def:9117 | ||||||||||||
| status | accepted | ||||||||||||
| submitted | 2010-07-09T03:56:16-04:00 | ||||||||||||
| title | Race condition between the kfree_skb and __skb_unlink functions in the socket buffer handling in Linux kernel 2.6.9, and possibly other versions, allows remote attackers to cause a denial of service (crash), as demonstrated using the TCP stress tests from the LTP test suite. | ||||||||||||
| version | 26 |
Redhat
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References
- http://secunia.com/advisories/21465
- http://secunia.com/advisories/22082
- http://secunia.com/advisories/22093
- http://secunia.com/advisories/22417
- http://support.avaya.com/elmodocs2/security/ASA-2006-200.htm
- http://www.debian.org/security/2006/dsa-1183
- http://www.debian.org/security/2006/dsa-1184
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:025
- http://www.redhat.com/support/errata/RHSA-2006-0575.html
- http://www.securityfocus.com/bid/19475
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=192779
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9117