[USN-1736-1] Linux kernel vulnerability

John Johansen john.johansen at canonical.com
Fri Feb 22 02:45:58 UTC 2013


==========================================================================
Ubuntu Security Notice USN-1736-1
February 22, 2013

linux vulnerability
==========================================================================

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

- Ubuntu 10.04 LTS

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 10.04 LTS:
  linux-image-2.6.32-45-386       2.6.32-45.104
  linux-image-2.6.32-45-generic   2.6.32-45.104
  linux-image-2.6.32-45-generic-pae  2.6.32-45.104
  linux-image-2.6.32-45-ia64      2.6.32-45.104
  linux-image-2.6.32-45-lpia      2.6.32-45.104
  linux-image-2.6.32-45-powerpc   2.6.32-45.104
  linux-image-2.6.32-45-powerpc-smp  2.6.32-45.104
  linux-image-2.6.32-45-powerpc64-smp  2.6.32-45.104
  linux-image-2.6.32-45-preempt   2.6.32-45.104
  linux-image-2.6.32-45-server    2.6.32-45.104
  linux-image-2.6.32-45-sparc64   2.6.32-45.104
  linux-image-2.6.32-45-sparc64-smp  2.6.32-45.104
  linux-image-2.6.32-45-versatile  2.6.32-45.104
  linux-image-2.6.32-45-virtual   2.6.32-45.104

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

References:
  http://www.ubuntu.com/usn/usn-1736-1
  CVE-2013-0871

Package Information:
  https://launchpad.net/ubuntu/+source/linux/2.6.32-45.104

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