USN-2813-1: LXCFS vulnerabilities

Releases

• Ubuntu 15.10
• Ubuntu 15.04

Packages

• lxcfs - FUSE based filesystem for LXC

Details

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)

Update instructions

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

Ubuntu 15.10

• lxcfs - 0.10-0ubuntu2.1

Ubuntu 15.04

• lxcfs - 0.7-0ubuntu4.1

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

References

• CVE-2015-1344
• CVE-2015-1342