USN-2813-1: LXCFS vulnerabilities

17 November 2015

Several security issues were fixed in LXCFS.

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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)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 15.10
Ubuntu 15.04

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

References

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Further reading