[USN-1342-1] Linux kernel (Oneiric backport) vulnerability

John Johansen john.johansen at canonical.com
Thu Jan 26 03:27:46 UTC 2012

Ubuntu Security Notice USN-1342-1
January 26, 2012

linux-lts-backport-oneiric vulnerability

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

- Ubuntu 10.04 LTS


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

Software Description:
- linux-lts-backport-oneiric: Linux kernel backport from Oneiric


Jüri Aedla discovered that the kernel incorrectly handled /proc/<pid>/mem
permissions. A local attacker could exploit this and gain root privileges.

Update instructions:

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

Ubuntu 10.04 LTS:
  linux-image-3.0.0-15-generic    3.0.0-15.26~lucid1
  linux-image-3.0.0-15-generic-pae  3.0.0-15.26~lucid1
  linux-image-3.0.0-15-server     3.0.0-15.26~lucid1
  linux-image-3.0.0-15-virtual    3.0.0-15.26~lucid1

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


Package Information:

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