Ubuntu Security Notice 1256-1 - It was discovered that the /proc filesystem did not correctly handle permission changes when programs executed. A local attacker could hold open files to examine details about programs running with higher privileges, potentially increasing the chances of exploiting additional vulnerabilities. Vasiliy Kulikov discovered that the Bluetooth stack did not correctly clear memory. A local attacker could exploit this to read kernel stack memory, leading to a loss of privacy. Various other issues were also addressed.
065ea3de04cbda6ba2f070db62f0f0ff03f73b678f1a9b1d73799d5e8bba15abUbuntu Security Notice 1253-1 - 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. Vasiliy Kulikov and Dan Rosenberg discovered that ecryptfs did not correctly check the origin of mount points. A local attacker could exploit this to trick the system into unmounting arbitrary mount points, leading to a denial of service. Various other issues were also addressed.
500dc3b4a945636f97bf2e47879fe76c35bb56044546ce1c830a4bcfd79e5365Ubuntu Security Notice 1245-1 - 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. Vasiliy Kulikov and Dan Rosenberg discovered that ecryptfs did not correctly check the origin of mount points. A local attacker could exploit this to trick the system into unmounting arbitrary mount points, leading to a denial of service. Various other issues were also addressed.
6c2fdc6fb88de2201319a3a2c820b9ee501477683f43a26fc633346bfd7e0794Ubuntu 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.
34637add57bb1c47bb725041cb1273223d64aa46133511754d889d306943b525Ubuntu Security Notice 1240-1 - 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. Vasiliy Kulikov and Dan Rosenberg discovered that ecryptfs did not correctly check the origin of mount points. A local attacker could exploit this to trick the system into unmounting arbitrary mount points, leading to a denial of service. Various other issues were also addressed.
7bb5696fdf28788ddf1a181d26c0746a318f35d21e90975dc7a17a6248fbbf34Ubuntu Security Notice 1239-1 - 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. Vasiliy Kulikov and Dan Rosenberg discovered that ecryptfs did not correctly check the origin of mount points. A local attacker could exploit this to trick the system into unmounting arbitrary mount points, leading to a denial of service. Various other issues were also addressed.
a8d44e1d2d7d40338fc3f73c81b91d2690ae35010e30a9837bab689992f33bd1Ubuntu Security Notice 1227-1 - 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. Timo Warns discovered that the EFI GUID partition table was not correctly parsed. A physically local attacker that could insert mountable devices could exploit this to crash the system or possibly gain root privileges. Various other issues were also addressed.
87d2aaa8ca6ba6b00c9ca09b32765eba40fef19b74fb5429c7386a7141501ba4Ubuntu Security Notice 1220-1 - 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. Timo Warns discovered that the EFI GUID partition table was not correctly parsed. A physically local attacker that could insert mountable devices could exploit this to crash the system or possibly gain root privileges. Various other issues were also addressed.
381cb500bd82528a730aee301d5df2fea4835c168a78a002069bcb53da18ca72Ubuntu Security Notice 1219-1 - 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. Timo Warns discovered that the EFI GUID partition table was not correctly parsed. A physically local attacker that could insert mountable devices could exploit this to crash the system or possibly gain root privileges. Various other issues were also addressed.
5bbf959fff7d5604adafb12f55e81da2ac28c246748613faaed45b3156c8add2Red Hat Security Advisory 2011-1253-01 - Updated kernel-rt packages that fix multiple security issues and various bugs are now available for Red Hat Enterprise MRG 2.0. The Red Hat Security Response Team has rated this update as having important security impact.
5d74eae8a478f1639bcefe4abf0a381df1d68b77824da152d114e20cc673b84aDebian 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 2011-1189-01 - Updated kernel packages that fix several security issues, various bugs, and add two enhancements are now available for Red Hat Enterprise Linux 6. Using PCI passthrough without interrupt remapping support allowed KVM guests to generate MSI interrupts and thus potentially inject traps. A privileged guest user could use this flaw to crash the host or possibly escalate their privileges on the host. The fix for this issue can prevent PCI passthrough working and guests starting. Flaw in the client-side NLM implementation could allow a local, unprivileged user to cause a denial of service.
d97ef6720ae8e063983b3824218d93b24db61be0bd9859deee9eb835fea7f6a9Red Hat Security Advisory 2011-1106-01 - The kernel packages have been updated to address a vulnerability. A flaw allowed napi_reuse_skb() to be called on VLAN packets. An attacker on the local network could trigger this flaw by sending specially-crafted packets to a target system, possibly causing a denial of service.
d2511485720906fd14fc2a3f975c01b817038b49d64c90f52a352c78915e2b1aRed Hat Security Advisory 2011-1090-01 - The rhev-hypervisor package provides a Red Hat Enterprise Virtualization Hypervisor ISO disk image. A flaw was found that allowed napi_reuse_skb() to be called on VLAN packets. An attacker on the local network could trigger this flaw by sending specially-crafted packets to a target system, possibly causing a denial of service.
423b948c96708d1e061b86fbda73740a65a22df850c2554883aadb161b574ff5Red Hat Security Advisory 2011-0927-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. An integer overflow flaw in ib_uverbs_poll_cq() could allow a local, unprivileged user to cause a denial of service or escalate their privileges. A race condition in the way new InfiniBand connections were set up could allow a remote user to cause a denial of service. Various other issues were also addressed.
2d9ca2674edbb8a07bf22fdae27723bb5205d320cbb129bbd7e4361fe73cdc7b
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