Ubuntu Security Notice 1739-1 - Suleiman Souhlal, Salman Qazi, Aaron Durbin and Michael Davidson discovered a race condition in the Linux kernel's ptrace syscall. An unprivileged local attacker could exploit this flaw to run programs as an administrator.
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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 discovered
a race condition in the Linux kernel's ptrace syscall. An unprivileged
local attacker could exploit this flaw to run programs as an administrator.
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