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[USN-1323-1] Linux kernel vulnerabilities

Posted on 11 January 2012
Ubuntu Security

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Ubuntu Security Notice USN-1323-1
January 11, 2012

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

- Ubuntu 8.04 LTS

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux: Linux kernel

Details:

Peter Huewe discovered an information leak in the handling of reading
security-related TPM data. A local, unprivileged user could read the
results of a previous TPM command. (CVE-2011-1162)

Clement Lecigne discovered a bug in the HFS filesystem. A local attacker
could exploit this to cause a kernel oops. (CVE-2011-2203)

A flaw was found in the b43 driver in the Linux kernel. An attacker could=

use this flaw to cause a denial of service if the system has an active
wireless interface using the b43 driver. (CVE-2011-3359)

A flaw was found in how the Linux kernel handles user-defined key types. =
An
unprivileged local user could exploit this to crash the system.
(CVE-2011-4110)

Update instructions:

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

Ubuntu 8.04 LTS:
linux-image-2.6.24-30-386 2.6.24-30.98
linux-image-2.6.24-30-generic 2.6.24-30.98
linux-image-2.6.24-30-hppa32 2.6.24-30.98
linux-image-2.6.24-30-hppa64 2.6.24-30.98
linux-image-2.6.24-30-itanium 2.6.24-30.98
linux-image-2.6.24-30-lpia 2.6.24-30.98
linux-image-2.6.24-30-lpiacompat 2.6.24-30.98
linux-image-2.6.24-30-mckinley 2.6.24-30.98
linux-image-2.6.24-30-openvz 2.6.24-30.98
linux-image-2.6.24-30-powerpc 2.6.24-30.98
linux-image-2.6.24-30-powerpc-smp 2.6.24-30.98
linux-image-2.6.24-30-powerpc64-smp 2.6.24-30.98
linux-image-2.6.24-30-rt 2.6.24-30.98
linux-image-2.6.24-30-server 2.6.24-30.98
linux-image-2.6.24-30-sparc64 2.6.24-30.98
linux-image-2.6.24-30-sparc64-smp 2.6.24-30.98
linux-image-2.6.24-30-virtual 2.6.24-30.98
linux-image-2.6.24-30-xen 2.6.24-30.98

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

References:
http://www.ubuntu.com/usn/usn-1323-1
CVE-2011-1162, CVE-2011-2203, CVE-2011-3359, CVE-2011-4110

Package Information:
https://launchpad.net/ubuntu/+source/linux/2.6.24-30.98


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