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[USN-1815-1] Linux kernel vulnerabilities

Posted on 03 May 2013
Ubuntu Security

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Ubuntu Security Notice USN-1815-1
May 02, 2013

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

- Ubuntu 13.04

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux: Linux kernel

Details:

Andy Lutomirski discover an error in the Linux kernel's credential handli=
ng
on unix sockets. A local user could exploit this flaw to gain
administrative privileges. (CVE-2013-1979)

Andy Lutomirski discovered a privilege escalation in the Linux kernel's
user namespaces. A local user could exploit the flaw to gain administrati=
ve
privileges. (CVE-2013-1959)

Update instructions:

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

Ubuntu 13.04:
linux-image-3.8.0-19-generic 3.8.0-19.30

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

References:
http://www.ubuntu.com/usn/usn-1815-1
CVE-2013-1959, CVE-2013-1979

Package Information:
https://launchpad.net/ubuntu/+source/linux/3.8.0-19.30


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