[USN-1336-1] Linux kernel vulnerability
Marc Deslauriers
marc.deslauriers at canonical.com
Mon Jan 23 15:22:22 UTC 2012
==========================================================================
Ubuntu Security Notice USN-1336-1
January 23, 2012
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:
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 11.10:
linux-image-3.0.0-15-generic 3.0.0-15.26
linux-image-3.0.0-15-generic-pae 3.0.0-15.26
linux-image-3.0.0-15-omap 3.0.0-15.26
linux-image-3.0.0-15-powerpc 3.0.0-15.26
linux-image-3.0.0-15-powerpc-smp 3.0.0-15.26
linux-image-3.0.0-15-powerpc64-smp 3.0.0-15.26
linux-image-3.0.0-15-server 3.0.0-15.26
linux-image-3.0.0-15-virtual 3.0.0-15.26
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1336-1
CVE-2012-0056
Package Information:
https://launchpad.net/ubuntu/+source/linux/3.0.0-15.26
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