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[USN-1356-1] Linux kernel (OMAP4) vulnerabilities

Posted on 07 February 2012
Ubuntu Security

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Ubuntu Security Notice USN-1356-1
February 06, 2012

linux-ti-omap4 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 11.04

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux-ti-omap4: Linux kernel for OMAP4

Details:

A flaw was discovered in the XFS filesystem. If a local user mounts a
specially crafted XFS image it could potential execute arbitrary code on
the system. (CVE-2012-0038)

Chen Haogang discovered an integer overflow that could result in memory
corruption. A local unprivileged user could use this to crash the system.
(CVE-2012-0044)

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)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 11.04:
linux-image-2.6.38-1209-omap4 2.6.38-1209.21

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1356-1
CVE-2012-0038, CVE-2012-0044, CVE-2012-0207

Package Information:
https://launchpad.net/ubuntu/+source/linux-ti-omap4/2.6.38-1209.21

 

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