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Ubuntu: New Linux packages fix security vulnerabilities

Somnath Kotur discovered an error in the Linux kernel’s VLAN (virtual lan) and be2net drivers. An attacker on the local network could exploit this flaw to cause a denial of service. Updated packages are available from security.ubuntu.com.

==========================================================================
Ubuntu Security Notice USN-1412-1
March 29, 2012

linux vulnerability
==========================================================================

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

- Ubuntu 11.10

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux: Linux kernel

Details:

Somnath Kotur discovered an error in the Linux kernel's VLAN (virtual lan)
and be2net drivers. An attacker on the local network could exploit this
flaw to cause a denial of service.

Update instructions:

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

Ubuntu 11.10:
 linux-image-3.0.0-17-generic    3.0.0-17.30
 linux-image-3.0.0-17-generic-pae  3.0.0-17.30
 linux-image-3.0.0-17-omap       3.0.0-17.30
 linux-image-3.0.0-17-powerpc    3.0.0-17.30
 linux-image-3.0.0-17-powerpc-smp  3.0.0-17.30
 linux-image-3.0.0-17-powerpc64-smp  3.0.0-17.30
 linux-image-3.0.0-17-server     3.0.0-17.30
 linux-image-3.0.0-17-virtual    3.0.0-17.30

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

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed. If
you use linux-restricted-modules, you have to update that package as
well to get modules which work with the new kernel version. Unless you
manually uninstalled the standard kernel metapackages (e.g. linux-generic,
linux-server, linux-powerpc), a standard system upgrade will automatically
perform this as well.

References:
 http://www.ubuntu.com/usn/usn-1412-1
 CVE-2011-3347

Package Information:
 https://launchpad.net/ubuntu/+source/linux/3.0.0-17.30
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