USN-1739-1: 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

16 affected componentsFixes available
All of the following
ubuntu/linux-image-3.0.0-31-powerpc-smp<3.0.0-31.49
3.0.0-31.49
Ubuntu Ubuntu=11.10
All of the following
ubuntu/linux-image-3.0.0-31-generic<3.0.0-31.49
3.0.0-31.49
Ubuntu Ubuntu=11.10
All of the following
ubuntu/linux-image-3.0.0-31-virtual<3.0.0-31.49
3.0.0-31.49
Ubuntu Ubuntu=11.10
All of the following
ubuntu/linux-image-3.0.0-31-generic-pae<3.0.0-31.49
3.0.0-31.49
Ubuntu Ubuntu=11.10
All of the following
ubuntu/linux-image-3.0.0-31-omap<3.0.0-31.49
3.0.0-31.49
Ubuntu Ubuntu=11.10
All of the following
ubuntu/linux-image-3.0.0-31-powerpc64-smp<3.0.0-31.49
3.0.0-31.49
Ubuntu Ubuntu=11.10
All of the following
ubuntu/linux-image-3.0.0-31-server<3.0.0-31.49
3.0.0-31.49
Ubuntu Ubuntu=11.10
All of the following
ubuntu/linux-image-3.0.0-31-powerpc<3.0.0-31.49
3.0.0-31.49
Ubuntu Ubuntu=11.10

Event History

Feb 22, 2013
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-1739-1?

The severity of USN-1739-1 is considered to be high as it allows unprivileged local attackers to escalate privileges.

2

How do I fix USN-1739-1?

To fix USN-1739-1, you should upgrade the affected Linux kernel packages to version 3.0.0-31.49 or above.

3

What software is affected by USN-1739-1?

USN-1739-1 affects multiple versions of the Linux kernel in Ubuntu 11.10, including linux-image-3.0.0-31-generic and others.

4

Who discovered the vulnerability in USN-1739-1?

The vulnerability in USN-1739-1 was discovered by Suleiman Souhlal, Salman Qazi, Aaron Durbin, and Michael Davidson.

5

What type of vulnerability is described in USN-1739-1?

USN-1739-1 describes a race condition vulnerability in the ptrace syscall of the Linux kernel.

Contact

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