Articles / Ubuntu: Security update for…

Ubuntu: Security update for the Linux kernel

A flaw was found in the Linux kernel’s Reliable Datagram Sockets (RDS) protocol implementation. A local, unprivileged user could use this flaw to cause a denial of service.

Updated packages are available from security.ubuntu.com.

==========================================================================
Ubuntu Security Notice USN-1554-1
September 05, 2012

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

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

- Ubuntu 11.10

Summary:

The system could be made to crash under certain conditions.

Software Description:
- linux: Linux kernel

Details:

A flaw was found in the Linux kernel's Reliable Datagram Sockets (RDS)
protocol implementation. A local, unprivileged user could use 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-3.0.0-25-generic    3.0.0-25.41
 linux-image-3.0.0-25-generic-pae  3.0.0-25.41
 linux-image-3.0.0-25-omap       3.0.0-25.41
 linux-image-3.0.0-25-powerpc    3.0.0-25.41
 linux-image-3.0.0-25-powerpc-smp  3.0.0-25.41
 linux-image-3.0.0-25-powerpc64-smp  3.0.0-25.41
 linux-image-3.0.0-25-server     3.0.0-25.41
 linux-image-3.0.0-25-virtual    3.0.0-25.41

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-1554-1
 CVE-2012-2372

Package Information:
 https://launchpad.net/ubuntu/+source/linux/3.0.0-25.41
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