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[USN-1554-1] Linux kernel vulnerability

Posted on 05 September 2012
Ubuntu Security

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

linux vulnerability
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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 t=
o
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 automaticall=
y
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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