USN-1380-1: Linux kernel vulnerabilities

Published Feb 29, 2012
·
Updated

A flaw was discovered in the TOMOYO LSM's handling of mount system calls. An unprivileged user could oops the system causing a denial of service. (CVE-2011-2518) A bug was discovered in the Linux kernel's calculation of OOM (Out of memory) scores, that would result in the wrong process being killed. A user could use this to kill the process with the highest OOM score, even if that process belongs to another user or the system. (CVE-2011-4097) A flaw was found in the linux kernels IPv4 IGMP query processing. A remote attacker could exploit this to cause a denial of service. (CVE-2012-0207)

Affected Software

18 affected componentsFixes available
All of the following
ubuntu/linux-image-2.6.38-13-powerpc<2.6.38-13.56
2.6.38-13.56
Ubuntu Ubuntu=11.04
All of the following
ubuntu/linux-image-2.6.38-13-powerpc64-smp<2.6.38-13.56
2.6.38-13.56
Ubuntu Ubuntu=11.04
All of the following
ubuntu/linux-image-2.6.38-13-generic-pae<2.6.38-13.56
2.6.38-13.56
Ubuntu Ubuntu=11.04
All of the following
ubuntu/linux-image-2.6.38-13-versatile<2.6.38-13.56
2.6.38-13.56
Ubuntu Ubuntu=11.04
All of the following
ubuntu/linux-image-2.6.38-13-generic<2.6.38-13.56
2.6.38-13.56
Ubuntu Ubuntu=11.04
All of the following
ubuntu/linux-image-2.6.38-13-virtual<2.6.38-13.56
2.6.38-13.56
Ubuntu Ubuntu=11.04
All of the following
ubuntu/linux-image-2.6.38-13-server<2.6.38-13.56
2.6.38-13.56
Ubuntu Ubuntu=11.04
All of the following
ubuntu/linux-image-2.6.38-13-omap<2.6.38-13.56
2.6.38-13.56
Ubuntu Ubuntu=11.04
All of the following
ubuntu/linux-image-2.6.38-13-powerpc-smp<2.6.38-13.56
2.6.38-13.56
Ubuntu Ubuntu=11.04

Event History

Feb 29, 2012
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-1380-1?

The severity of USN-1380-1 is considered to be high due to its potential to cause a denial of service.

2

How do I fix USN-1380-1?

To fix USN-1380-1, you should upgrade your Linux kernel to version 2.6.38-13.56 or later.

3

What systems are affected by USN-1380-1?

USN-1380-1 affects Ubuntu 11.04 systems using specific kernel packages.

4

Can an unprivileged user exploit USN-1380-1?

Yes, an unprivileged user can exploit USN-1380-1, leading to system crashes.

5

What components are impacted by USN-1380-1?

USN-1380-1 impacts the TOMOYO LSM's handling of mount system calls in the Linux kernel.

Contact

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