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Ubuntu Security Notice USN-1412-1

Ubuntu Security Notice USN-1412-1
Posted Mar 29, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1412-1 - 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.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-3347
MD5 | bfd591fcc4b3f7eea6dfb02fe5b1d4d1

Ubuntu Security Notice USN-1412-1

Change Mirror Download
============================================================================
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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