=========================================================================Ubuntu Security Notice USN-1739-1
February 22, 2013

linux vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 11.10

Summary:

The system could be made to run programs as an administrator.

Software Description:
- linux: Linux kernel

Details:

Suleiman Souhlal, Salman Qazi, Aaron Durbin and Michael Davidson discovered
a race condition in the Linux kernel's ptrace syscall. An unprivileged
local attacker could exploit this flaw to run programs as an administrator.

Update instructions:

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

Ubuntu 11.10:
  linux-image-3.0.0-31-generic    3.0.0-31.49
  linux-image-3.0.0-31-generic-pae  3.0.0-31.49
  linux-image-3.0.0-31-omap       3.0.0-31.49
  linux-image-3.0.0-31-powerpc    3.0.0-31.49
  linux-image-3.0.0-31-powerpc-smp  3.0.0-31.49
  linux-image-3.0.0-31-powerpc64-smp  3.0.0-31.49
  linux-image-3.0.0-31-server     3.0.0-31.49
  linux-image-3.0.0-31-virtual    3.0.0-31.49

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

References:
  https://ubuntu.com/security/notices/USN-1739-1
  CVE-2013-0871

Package Information:
  https://launchpad.net/ubuntu/+source/linux/3.0.0-31.49