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USN-1815-1: Linux kernel vulnerabilities

2 May 2013

Several security issues were fixed in the kernel.

Releases

Packages

Details

Andy Lutomirski discover an error in the Linux kernel's credential handling
on unix sockets. A local user could exploit this flaw to gain
administrative privileges. (CVE-2013-1979)

Andy Lutomirski discovered a privilege escalation in the Linux kernel's
user namespaces. A local user could exploit the flaw to gain administrative
privileges. (CVE-2013-1959)

Update instructions

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

Ubuntu 13.04

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

Related notices

  • USN-1839-1: linux-ti-omap4, linux-image-3.2.0-1432-omap4
  • USN-1833-1: linux-image-3.2.0-44-powerpc64-smp, linux-image-3.2.0-44-omap, linux-image-3.2.0-44-generic, linux, linux-image-3.2.0-44-generic-pae, linux-image-3.2.0-44-highbank, linux-image-3.2.0-44-virtual, linux-image-3.2.0-44-powerpc-smp
  • USN-1883-1: linux-image-3.5.0-226-omap4, linux-ti-omap4
  • USN-1880-1: linux-image-3.5.0-34-generic, linux-lts-quantal
  • USN-1881-1: linux-image-3.5.0-34-generic, linux, linux-image-3.5.0-34-powerpc64-smp, linux-image-3.5.0-34-powerpc-smp, linux-image-3.5.0-34-omap, linux-image-3.5.0-34-highbank
  • USN-1882-1: linux-image-3.5.0-226-omap4, linux-ti-omap4