USN-1342-1: Linux kernel (Oneiric backport) vulnerability

Published Jan 26, 2012
·
Updated

Jüri Aedla discovered that the kernel incorrectly handled /proc//mem permissions. A local attacker could exploit this and gain root privileges.

Affected Software

8 affected componentsFixes available
All of the following
ubuntu/linux-image-3.0.0-15-server<3.0.0-15.26~lucid1
3.0.0-15.26~lucid1
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-3.0.0-15-generic<3.0.0-15.26~lucid1
3.0.0-15.26~lucid1
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-3.0.0-15-virtual<3.0.0-15.26~lucid1
3.0.0-15.26~lucid1
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-3.0.0-15-generic-pae<3.0.0-15.26~lucid1
3.0.0-15.26~lucid1
Ubuntu Ubuntu=10.04

Event History

Jan 26, 2012
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-1342-1?

The severity of USN-1342-1 is high as it allows local attackers to gain root privileges by exploiting incorrect handling of /proc//mem permissions.

2

How do I fix USN-1342-1?

To fix USN-1342-1, update your system to the recommended linux-image version 3.0.0-15.26~lucid1.

3

Who is affected by USN-1342-1?

All users of Ubuntu 10.04 with the affected linux-image packages are vulnerable to the USN-1342-1 security flaw.

4

What packages are affected in USN-1342-1?

The affected packages in USN-1342-1 include linux-image-3.0.0-15-server, linux-image-3.0.0-15-generic, linux-image-3.0.0-15-virtual, and linux-image-3.0.0-15-generic-pae.

5

Is a reboot required after applying the fix for USN-1342-1?

Yes, a reboot is required after applying the fix for USN-1342-1 to ensure the new kernel is loaded.

Contact

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