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CVE-2011-4326

Status Candidate

Overview

The udp6_ufo_fragment function in net/ipv6/udp.c in the Linux kernel before 2.6.39, when a certain UDP Fragmentation Offload (UFO) configuration is enabled, allows remote attackers to cause a denial of service (system crash) by sending fragmented IPv6 UDP packets to a bridge device.

Related Files

Red Hat Security Advisory 2012-0010-01
Posted Jan 11, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0010-01 - The kernel-rt packages contain the Linux kernel, the core of any Linux operating system. A malicious CIFS server could send a specially-crafted response to a directory read request that would result in a denial of service or privilege escalation on a system that has a CIFS share mounted. The way fragmented IPv6 UDP datagrams over the bridge with UDP Fragmentation Offload functionality on were handled could allow a remote attacker to cause a denial of service.

tags | advisory, remote, denial of service, kernel, udp
systems | linux, redhat
advisories | CVE-2011-1162, CVE-2011-2494, CVE-2011-2723, CVE-2011-2898, CVE-2011-3188, CVE-2011-3191, CVE-2011-3353, CVE-2011-3359, CVE-2011-3363, CVE-2011-3637, CVE-2011-4081, CVE-2011-4110, CVE-2011-4132, CVE-2011-4326
SHA-256 | 557893d6076de010f89965257f12c763df4474c60b2d096db7dea8c57ede5c1e
Ubuntu Security Notice USN-1311-1
Posted Dec 19, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1311-1 - Peter Huewe discovered an information leak in the handling of reading security-related TPM data. A local, unprivileged user could read the results of a previous TPM command. A bug was discovered in the XFS filesystem's handling of pathnames. A local attacker could exploit this to crash the system, leading to a denial of service, or gain root privileges. Nick Bowler discovered the kernel GHASH message digest algorithm incorrectly handled error conditions. A local attacker could exploit this to cause a kernel oops. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2011-1162, CVE-2011-4077, CVE-2011-4081, CVE-2011-4132, CVE-2011-4326, CVE-2011-4330
SHA-256 | 079875549c90e40e46e8b48124d73c56179b8faa866f9696ddfa6d615846973d
Ubuntu Security Notice USN-1304-1
Posted Dec 13, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1304-1 - A bug was discovered in the XFS filesystem's handling of pathnames. A local attacker could exploit this to crash the system, leading to a denial of service, or gain root privileges. Nick Bowler discovered the kernel GHASH message digest algorithm incorrectly handled error conditions. A local attacker could exploit this to cause a kernel oops. Scot Doyle discovered that the bridge networking interface incorrectly handled certain network packets. A remote attacker could exploit this to crash the system, leading to a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2011-4077, CVE-2011-4081, CVE-2011-4087, CVE-2011-4132, CVE-2011-4326, CVE-2011-4330
SHA-256 | 6d2a20967eadf3aba427c6e36f59f62b119e6c705633091d9326357f7fb00aec
Ubuntu Security Notice USN-1303-1
Posted Dec 13, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1303-1 - Peter Huewe discovered an information leak in the handling of reading security-related TPM data. A local, unprivileged user could read the results of a previous TPM command. A bug was discovered in the XFS filesystem's handling of pathnames. A local attacker could exploit this to crash the system, leading to a denial of service, or gain root privileges. Nick Bowler discovered the kernel GHASH message digest algorithm incorrectly handled error conditions. A local attacker could exploit this to cause a kernel oops. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2011-1162, CVE-2011-4077, CVE-2011-4081, CVE-2011-4132, CVE-2011-4326, CVE-2011-4330
SHA-256 | 12c1953500d71f26c59ebcdc9a73ed35de3b2b65402d19d430823d934b100a8e
Ubuntu Security Notice USN-1302-1
Posted Dec 13, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1302-1 - A bug was discovered in the XFS filesystem's handling of pathnames. A local attacker could exploit this to crash the system, leading to a denial of service, or gain root privileges. Nick Bowler discovered the kernel GHASH message digest algorithm incorrectly handled error conditions. A local attacker could exploit this to cause a kernel oops. A flaw was found in the Journaling Block Device (JBD). A local attacker able to mount ext3 or ext4 file systems could exploit this to crash the system, leading to a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2011-4077, CVE-2011-4081, CVE-2011-4132, CVE-2011-4326, CVE-2011-4330
SHA-256 | c12d1ac14c6a1deacb430f530bad9934b8dd23b2ac72d692da1422fe585dfd31
Ubuntu Security Notice USN-1299-1
Posted Dec 13, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1299-1 - Peter Huewe discovered an information leak in the handling of reading security-related TPM data. A local, unprivileged user could read the results of a previous TPM command. A bug was discovered in the XFS filesystem's handling of pathnames. A local attacker could exploit this to crash the system, leading to a denial of service, or gain root privileges. Nick Bowler discovered the kernel GHASH message digest algorithm incorrectly handled error conditions. A local attacker could exploit this to cause a kernel oops. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2011-1162, CVE-2011-4077, CVE-2011-4081, CVE-2011-4132, CVE-2011-4326, CVE-2011-4330
SHA-256 | dd49738f3b31a161fdf267ef2d52086ca3d699a28a01af294cf1352dcb5d5daa
Ubuntu Security Notice USN-1294-1
Posted Dec 8, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1294-1 - Peter Huewe discovered an information leak in the handling of reading security-related TPM data. A local, unprivileged user could read the results of a previous TPM command. Vasiliy Kulikov discovered that taskstats did not enforce access restrictions. A local attacker could exploit this to read certain information, leading to a loss of privacy. Qianfeng Zhang discovered that the bridge networking interface incorrectly handled certain network packets. A remote attacker could exploit this to crash the system, leading to a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, local
systems | linux, ubuntu
advisories | CVE-2011-1162, CVE-2011-2494, CVE-2011-2942, CVE-2011-3209, CVE-2011-3638, CVE-2011-4081, CVE-2011-4087, CVE-2011-4326
SHA-256 | acab8d51e69e89ac69916bfde79578d48d20a5c740ed8334923ba6a32afe7023
Ubuntu Security Notice USN-1293-1
Posted Dec 8, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1293-1 - A bug was discovered in the XFS filesystem's handling of pathnames. A local attacker could exploit this to crash the system, leading to a denial of service, or gain root privileges. Nick Bowler discovered the kernel GHASH message digest algorithm incorrectly handled error conditions. A local attacker could exploit this to cause a kernel oops. A flaw was found in the Journaling Block Device (JBD). A local attacker able to mount ext3 or ext4 file systems could exploit this to crash the system, leading to a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2011-4077, CVE-2011-4081, CVE-2011-4132, CVE-2011-4326, CVE-2011-4330
SHA-256 | 7fc196aedda92fd82f8306f34f53fdcc76d7e2380188eab9863908f25206edd3
Ubuntu Security Notice USN-1292-1
Posted Dec 8, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1292-1 - A bug was discovered in the XFS filesystem's handling of pathnames. A local attacker could exploit this to crash the system, leading to a denial of service, or gain root privileges. Nick Bowler discovered the kernel GHASH message digest algorithm incorrectly handled error conditions. A local attacker could exploit this to cause a kernel oops. A flaw was found in the Journaling Block Device (JBD). A local attacker able to mount ext3 or ext4 file systems could exploit this to crash the system, leading to a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2011-4077, CVE-2011-4081, CVE-2011-4132, CVE-2011-4326, CVE-2011-4330
SHA-256 | e56bd530ab01e0d28606cc55207499939d90e747e47252a8abe8e9591ba531f5
Ubuntu Security Notice USN-1286-1
Posted Dec 3, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1286-1 - Vasily Averin discovered that the NFS Lock Manager (NLM) incorrectly handled unlock requests. A local attacker could exploit this to cause a denial of service. Robert Swiecki discovered that mapping extensions were incorrectly handled. A local attacker could exploit this to crash the system, leading to a denial of service. It was discovered that the wireless stack incorrectly verified SSID lengths. A local attacker could exploit this to cause a denial of service or gain root privileges. Various other issues were also addressed.

tags | advisory, denial of service, local, root
systems | linux, ubuntu
advisories | CVE-2011-2491, CVE-2011-2496, CVE-2011-2517, CVE-2011-2525, CVE-2011-4077, CVE-2011-4081, CVE-2011-4132, CVE-2011-4326, CVE-2011-4330
SHA-256 | 6043a3fbf2080a512662c349ee447bed0a78df45f28b48e5909b135726bd239e
Red Hat Security Advisory 2011-1465-01
Posted Nov 23, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-1465-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. IPv6 fragment identification value generation could allow a remote attacker to disrupt a target system's networking, preventing legitimate users from accessing its services. A signedness issue was found in the Linux kernel's CIFS implementation. A malicious CIFS server could send a specially-crafted response to a directory read request that would result in a denial of service or privilege escalation on a system that has a CIFS share mounted.

tags | advisory, remote, denial of service, kernel
systems | linux, redhat
advisories | CVE-2011-1162, CVE-2011-1577, CVE-2011-2494, CVE-2011-2699, CVE-2011-2905, CVE-2011-3188, CVE-2011-3191, CVE-2011-3353, CVE-2011-3359, CVE-2011-3363, CVE-2011-3593, CVE-2011-4326
SHA-256 | 3990f24ba89403137d83736fa4eb71c4dde3b75f9f53a5c4bd3900576ad8c927
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