USN-2239-1: Linux kernel (Saucy HWE) vulnerabilities

05 June 2014

Several security issues were fixed in the kernel.

Releases

Packages

Details

Pinkie Pie discovered a flaw in the Linux kernel's futex subsystem. An
unprivileged local user could exploit this flaw to cause a denial of
service (system crash) or gain administrative privileges. (CVE-2014-3153)

A flaw was discovered in the Linux kernel virtual machine's (kvm)
validation of interrupt requests (irq). A guest OS user could exploit this
flaw to cause a denial of service (host OS crash). (CVE-2014-0155)

An information leak was discovered in the netfilter subsystem of the Linux
kernel. An attacker could exploit this flaw to obtain sensitive information
from kernel memory. (CVE-2014-2568)

Sasha Levin reported a bug in the Linux kernel's virtual memory management
subsystem. An unprivileged local user could exploit this flaw to cause a
denial of service (system crash). (CVE-2014-3122)

Hannes Frederic Sowa reported a hash collision ordering problem in the xfs
filesystem in the Linux kernel. A local user could exploit this flaw to
cause filesystem corruption and a denial of service (oops or panic).
(CVE-2014-7283)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 12.04

After a standard system update you need to reboot your computer to make
all the necessary changes.

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed. If
you use linux-restricted-modules, you have to update that package as
well to get modules which work with the new kernel version. Unless you
manually uninstalled the standard kernel metapackages (e.g. linux-generic,
linux-server, linux-powerpc), a standard system upgrade will automatically
perform this as well.

Related notices

  • USN-2233-1: linux-image-2.6.32-61-versatile, linux-image-2.6.32-61-lpia, linux-image-2.6.32-61-386, linux-image-2.6.32-61-ia64, linux-image-2.6.32-61-generic-pae, linux-image-2.6.32-61-virtual, linux-image-2.6.32-61-sparc64, linux-image-2.6.32-61-powerpc, linux-image-2.6.32-61-powerpc64-smp, linux, linux-image-2.6.32-61-powerpc-smp, linux-image-2.6.32-61-generic, linux-image-2.6.32-61-preempt, linux-image-2.6.32-61-sparc64-smp, linux-image-2.6.32-61-server
  • USN-2238-1: linux-lts-raring, linux-image-3.8.0-42-generic
  • USN-2226-1: linux-image-3.13.0-27-generic, linux-image-3.13.0-27-powerpc64-emb, linux-image-3.13.0-27-powerpc-smp, linux-image-3.13.0-27-generic-lpae, linux-image-3.13.0-27-lowlatency, linux-image-3.13.0-27-powerpc-e500mc, linux-image-3.13.0-27-powerpc64-smp, linux, linux-image-3.13.0-27-powerpc-e500
  • USN-2337-1: linux-image-3.13.0-35-powerpc-e500mc, linux-image-3.13.0-35-powerpc-e500, linux-image-3.13.0-35-powerpc-smp, linux-image-3.13.0-35-powerpc64-emb, linux-image-3.13.0-35-lowlatency, linux-image-3.13.0-35-powerpc64-smp, linux-image-3.13.0-35-generic, linux-image-3.13.0-35-generic-lpae, linux
  • USN-2241-1: linux-image-3.11.0-23-generic-lpae, linux-image-3.11.0-23-generic, linux
  • USN-2240-1: linux-image-3.13.0-29-powerpc-smp, linux-image-3.13.0-29-powerpc-e500mc, linux-image-3.13.0-29-generic-lpae, linux-image-3.13.0-29-powerpc64-emb, linux-image-3.13.0-29-powerpc64-smp, linux-image-3.13.0-29-lowlatency, linux-image-3.13.0-29-powerpc-e500, linux, linux-image-3.13.0-29-generic
  • USN-2223-1: linux-image-3.5.0-51-generic, linux-lts-quantal
  • USN-2237-1: linux-image-3.5.0-51-generic, linux-lts-quantal
  • USN-2336-1: linux-lts-trusty, linux-image-3.13.0-35-generic, linux-image-3.13.0-35-generic-lpae
  • USN-2234-1: linux-ec2, linux-image-2.6.32-365-ec2
  • USN-2235-1: linux-image-3.2.0-64-generic-pae, linux-image-3.2.0-64-powerpc-smp, linux-image-3.2.0-64-virtual, linux-image-3.2.0-64-highbank, linux-image-3.2.0-64-powerpc64-smp, linux, linux-image-3.2.0-64-generic, linux-image-3.2.0-64-omap
  • USN-2224-1: linux-lts-raring, linux-image-3.8.0-41-generic
  • USN-2236-1: linux-ti-omap4, linux-image-3.2.0-1449-omap4
  • USN-2260-1: linux-image-3.13.0-30-generic-lpae, linux-image-3.13.0-30-generic, linux-lts-trusty