Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : PolicyKit vulnerability (USN-3934-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-3934-1 advisory. It was discovered that PolicyKit incorrectly relied on the fork system call in the Linux kernel being atomic. A local attacker could...