USN-3104-1: Linux kernel vulnerability
Published Oct 20, 2016
·Updated
It was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings. A local attacker could use this to gain administrative privileges.
Affected Software
14 affected componentsFixes available
All of the following
ubuntu/linux-image-3.2.0-113-powerpc64-smp<3.2.0-113.155
3.2.0-113.155
Ubuntu Ubuntu=12.04
All of the following
ubuntu/linux-image-3.2.0-113-powerpc-smp<3.2.0-113.155
3.2.0-113.155
Ubuntu Ubuntu=12.04
All of the following
ubuntu/linux-image-3.2.0-113-generic-pae<3.2.0-113.155
3.2.0-113.155
Ubuntu Ubuntu=12.04
All of the following
ubuntu/linux-image-3.2.0-113-virtual<3.2.0-113.155
3.2.0-113.155
Ubuntu Ubuntu=12.04
All of the following
ubuntu/linux-image-3.2.0-113-generic<3.2.0-113.155
3.2.0-113.155
Ubuntu Ubuntu=12.04
All of the following
ubuntu/linux-image-3.2.0-113-omap<3.2.0-113.155
3.2.0-113.155
Ubuntu Ubuntu=12.04
All of the following
ubuntu/linux-image-3.2.0-113-highbank<3.2.0-113.155
3.2.0-113.155
Ubuntu Ubuntu=12.04
Event History
Oct 20, 2016
Advisory Published
via Ubuntu·12:00 AM
Frequently Asked Questions
1
What is the severity of USN-3104-1?
USN-3104-1 is considered a critical vulnerability due to its potential to allow local attackers to gain administrative privileges.
2
How do I fix USN-3104-1?
To fix USN-3104-1, upgrade your Linux kernel to version 3.2.0-113.155 or later.
3
Which versions of Ubuntu are affected by USN-3104-1?
USN-3104-1 affects Ubuntu 12.04 with specific Linux kernel versions prior to 3.2.0-113.155.
4
What type of vulnerability is USN-3104-1?
USN-3104-1 is a race condition vulnerability in the memory manager of the Linux kernel.
5
Who can exploit USN-3104-1?
Only local attackers have the ability to exploit USN-3104-1 to gain administrative privileges.