USN-2641-1: Linux kernel (OMAP4) vulnerability
Published Jun 15, 2015
·Updated
Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.
Affected Software
2 affected componentsFixes available
All of the following
ubuntu/linux-image-3.2.0-1466-omap4<3.2.0-1466.86
3.2.0-1466.86
Ubuntu Ubuntu=12.04
Event History
Jun 15, 2015
Advisory Published
via Ubuntu·12:00 AM
Frequently Asked Questions
1
What is the severity of USN-2641-1?
The severity of USN-2641-1 is high due to its potential for privilege escalation.
2
How do I fix USN-2641-1?
To fix USN-2641-1, upgrade to the linux-image-3.2.0-1466-omap4 package version 3.2.0-1466.86 or later.
3
Which Ubuntu versions are affected by USN-2641-1?
USN-2641-1 affects Ubuntu 12.04 with the specified kernel package.
4
What is the primary risk associated with USN-2641-1?
The primary risk associated with USN-2641-1 is that a local user could gain administrative privileges on the system.
5
Who discovered the vulnerability described in USN-2641-1?
The vulnerability described in USN-2641-1 was discovered by Philip Pettersson.