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[USN-1739-1] Linux kernel vulnerability

Posted on 22 February 2013
Ubuntu Security

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Ubuntu Security Notice USN-1739-1
February 22, 2013

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 run programs as an administrator.

Software Description:
- linux: Linux kernel

Details:

Suleiman Souhlal, Salman Qazi, Aaron Durbin and Michael Davidson discover=
ed
a race condition in the Linux kernel's ptrace syscall. An unprivileged
local attacker could exploit this flaw to run programs as an administrato=
r.

Update instructions:

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

Ubuntu 11.10:
linux-image-3.0.0-31-generic 3.0.0-31.49
linux-image-3.0.0-31-generic-pae 3.0.0-31.49
linux-image-3.0.0-31-omap 3.0.0-31.49
linux-image-3.0.0-31-powerpc 3.0.0-31.49
linux-image-3.0.0-31-powerpc-smp 3.0.0-31.49
linux-image-3.0.0-31-powerpc64-smp 3.0.0-31.49
linux-image-3.0.0-31-server 3.0.0-31.49
linux-image-3.0.0-31-virtual 3.0.0-31.49

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

References:
http://www.ubuntu.com/usn/usn-1739-1
CVE-2013-0871

Package Information:
https://launchpad.net/ubuntu/+source/linux/3.0.0-31.49


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