USN-1825-1: Linux kernel vulnerability
Published May 16, 2013
·Updated
An flaw was discovered in the Linux kernel's perfevents interface. A local user could exploit this flaw to escalate privileges on the system.
Affected Software
14 affected componentsFixes available
All of the following
ubuntu/linux-image-3.2.0-43-powerpc64-smp<3.2.0-43.68
3.2.0-43.68
Ubuntu Ubuntu=12.04
All of the following
ubuntu/linux-image-3.2.0-43-powerpc-smp<3.2.0-43.68
3.2.0-43.68
Ubuntu Ubuntu=12.04
All of the following
ubuntu/linux-image-3.2.0-43-generic-pae<3.2.0-43.68
3.2.0-43.68
Ubuntu Ubuntu=12.04
All of the following
ubuntu/linux-image-3.2.0-43-virtual<3.2.0-43.68
3.2.0-43.68
Ubuntu Ubuntu=12.04
All of the following
ubuntu/linux-image-3.2.0-43-highbank<3.2.0-43.68
3.2.0-43.68
Ubuntu Ubuntu=12.04
All of the following
ubuntu/linux-image-3.2.0-43-omap<3.2.0-43.68
3.2.0-43.68
Ubuntu Ubuntu=12.04
All of the following
ubuntu/linux-image-3.2.0-43-generic<3.2.0-43.68
3.2.0-43.68
Ubuntu Ubuntu=12.04
Event History
May 16, 2013
Advisory Published
via Ubuntu·12:00 AM
Frequently Asked Questions
1
What is the severity of USN-1825-1?
The severity of USN-1825-1 is considered to be high due to the potential for privilege escalation.
2
How do I fix USN-1825-1?
To fix USN-1825-1, upgrade your Linux kernel to version 3.2.0-43.68 or later.
3
Which systems are affected by USN-1825-1?
USN-1825-1 affects Ubuntu 12.04 systems using the Linux kernel versions prior to 3.2.0-43.68.
4
What is the nature of the vulnerability in USN-1825-1?
The vulnerability in USN-1825-1 is related to the Linux kernel's perf_events interface, allowing local users to escalate privileges.
5
Is there a workaround for USN-1825-1 until I can update?
There is no official workaround for USN-1825-1; updating to the fixed kernel version is recommended.