USN-1815-1: Linux kernel vulnerabilities
2 May 2013
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 13.04
Several security issues were fixed in the kernel.
- linux - Linux kernel
Andy Lutomirski discover an error in the Linux kernel’s credential handling 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 administrative privileges. (CVE-2013-1959)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make all the necessary changes.