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.
6043a3fbf2080a512662c349ee447bed0a78df45f28b48e5909b135726bd239eUbuntu Security Notice 1269-1 - 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.
748fe00a71d2900d82893524fc7936b6d46ed4c251a839f7421b33b7b5d70cb7Ubuntu Security Notice 1274-1 - 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.
9e7423525f5b4b44481126894707f0075d0f30025f51d44fb3915a1d1dc8603aUbuntu Security Notice 1241-1 - It was discovered that the Stream Control Transmission Protocol (SCTP) implementation incorrectly calculated lengths. If the net.sctp.addip_enable variable was turned on, a remote attacker could send specially crafted traffic to crash the system. Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. Various other issues were also addressed.
34637add57bb1c47bb725041cb1273223d64aa46133511754d889d306943b525Debian Linux Security Advisory 2310-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leak.
0ade6375df4fb18e4bf4cc0f6541e056556cbe078ca3ef9db083dea13e260836Debian Linux Security Advisory 2303-2 - The linux-2.6 and user-mode-linux upgrades from DSA-2303-1 has caused a regression that can result in an oops during invalid accesses to /proc/<pid>/maps files.
5e72a6c97cffe3e5d4480641de2e9dd75b8941004f9b3efb715136b76b23e635Debian Linux Security Advisory 2303-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or privilege escalation.
72d50088cc453629042c1d2a8fe39ec8d1f2442c069a5c04c5bf02d848669ad6Red Hat Security Advisory 2011-1163-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. This update includes backported fixes for two security issues. These issues only affected users of Red Hat Enterprise Linux 5.6 Extended Update Support, as they have already been addressed for users of Red Hat Enterprise Linux 5 in the 5.7 update, RHSA-2011:1065. A flaw was found in the way the Xen hypervisor implementation handled instruction emulation during virtual machine exits. A malicious user-space process running in an SMP guest could trick the emulator into reading a different instruction than the one that caused the virtual machine to exit. An unprivileged guest user could trigger this flaw to crash the host. This only affects systems with both an AMD x86 processor and the AMD Virtualization extensions enabled.
303a3ecb417ff2aea1d5fb21e19aaeb2898de66ab0083338f682f82189a3a67dRed Hat Security Advisory 2011-1065-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Xen hypervisor implementation handled instruction emulation during virtual machine exits. A malicious user-space process running in an SMP guest could trick the emulator into reading a different instruction than the one that caused the virtual machine to exit. An unprivileged guest user could trigger this flaw to crash the host. This only affects systems with both an AMD x86 processor and the AMD Virtualization extensions enabled.
3732020d0d7d91df707b78575d7f04a87ae185cfec7f512d60c183fbffc45f06
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