USN-2813-1: LXCFS vulnerabilities
17 November 2015
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 15.10
- Ubuntu 15.04
Several security issues were fixed in LXCFS.
- lxcfs - FUSE based filesystem for LXC
It was discovered that LXCFS incorrectly enforced directory escapes. A local attacker could use this issue to possibly escalate privileges. (CVE-2015-1342)
It was discovered that LXCFS incorrectly checked certain permissions. A local attacker could use this issue t possibly escalate privileges. (CVE-2015-1344)
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.