USN-1736-1: Linux kernel vulnerability
Published Feb 22, 2013
·Updated
Suleiman Souhlal, Salman Qazi, Aaron Durbin and Michael Davidson discovered a race condition in the Linux kernel's ptrace syscall. An unprivileged local attacker could exploit this flaw to run programs as an administrator.
Affected Software
26 affected componentsFixes available
All of the following
ubuntu/linux-image-2.6.32-45-generic<2.6.32-45.104
2.6.32-45.104
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-45-powerpc-smp<2.6.32-45.104
2.6.32-45.104
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-45-ia64<2.6.32-45.104
2.6.32-45.104
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-45-lpia<2.6.32-45.104
2.6.32-45.104
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-45-preempt<2.6.32-45.104
2.6.32-45.104
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-45-sparc64-smp<2.6.32-45.104
2.6.32-45.104
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-45-virtual<2.6.32-45.104
2.6.32-45.104
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-45-sparc64<2.6.32-45.104
2.6.32-45.104
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-45-generic-pae<2.6.32-45.104
2.6.32-45.104
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-45-server<2.6.32-45.104
2.6.32-45.104
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-45-386<2.6.32-45.104
2.6.32-45.104
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-45-powerpc64-smp<2.6.32-45.104
2.6.32-45.104
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-45-versatile<2.6.32-45.104
2.6.32-45.104
Ubuntu Ubuntu=10.04
Event History
Feb 22, 2013
Advisory Published
via Ubuntu·12:00 AM
Frequently Asked Questions
1
What is the severity of USN-1736-1?
The severity of USN-1736-1 is high due to the potential for unprivileged local attackers to execute programs as an administrator.
2
How do I fix USN-1736-1?
To fix USN-1736-1, upgrade to linux-image version 2.6.32-45.104 or later.
3
Who discovered the USN-1736-1 vulnerability?
The USN-1736-1 vulnerability was discovered by Suleiman Souhlal, Salman Qazi, Aaron Durbin, and Michael Davidson.
4
What systems are affected by USN-1736-1?
USN-1736-1 affects Ubuntu 10.04 systems running certain versions of the Linux kernel.
5
What kind of attack can exploit USN-1736-1?
USN-1736-1 can be exploited by an unprivileged local attacker through a race condition in the Linux kernel's ptrace syscall.