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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
MD5 | fef4d4e68b2f0a6500318db2dfce9ac7
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
MD5 | 2aa1ad93c58aaedc1a52192b86414271
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
MD5 | 99b96f09bc16e1d7c53aa3e3883c3e6f
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
MD5 | 0479034cfcdf7459b04a81c8780efc48
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
MD5 | 16aeeca176d7225e596fb2a4dacf9ab3
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
MD5 | a7b6b91dc5449b87194477c80c5dbde0
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
MD5 | 4140a017e41c8e07afe8d2c3038b67a3
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
MD5 | 48786b190cd0797fd78643ec0228d7e3
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
MD5 | c18b940f56da2f040ff9c9a7f5ac57c0
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
MD5 | 181615408671a2238103499da1dc4198
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
MD5 | 6d97c1bb9c02cdad719d464542d195d9
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