1. Ubuntu Security Notices
  2. USN-2813-1

USN-2813-1: LXCFS vulnerabilities

Publication date

17 November 2015

Overview

Several security issues were fixed in LXCFS.

Releases

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)

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
15.10 wily lxcfs –  0.10-0ubuntu2.1
15.04 vivid lxcfs –  0.7-0ubuntu4.1

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References

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