[USN-3934-2] PolicyKit vulnerability
Leonidas S. Barbosa
leo.barbosa at canonical.com
Mon Sep 2 14:16:12 UTC 2019
Ubuntu Security Notice USN-3934-2
September 02, 2019
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
PolicyKit could allow unintended access.
- policykit-1: framework for managing administrative policies and privileges
USN-3934-1 fixed a vulnerability in Policykit. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
It was discovered that PolicyKit incorrectly relied on the fork() system
call in the Linux kernel being atomic. A local attacker could possibly use
this issue to gain access to services that have cached authorizations.
The problem can be corrected by updating your system to the following
Ubuntu 12.04 ESM:
After a standard system update you need to reboot your computer to make
all the necessary changes.
-------------- next part --------------
A non-text attachment was scrubbed...
Size: 819 bytes
Desc: not available
More information about the ubuntu-security-announce