USN-3907-1: WALinuxAgent vulnerability
walinuxagent vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
WALinuxAgent could be made to expose sensitive information.
Software Description
- walinuxagent – Windows Azure Linux Agent
Details
It was discovered that WALinuxAgent created swap files with incorrect
permissions. A local attacker could possibly use this issue to obtain
sensitive information from the swap file.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 18.10
- walinuxagent – 2.2.32-0ubuntu1~18.10.2
- Ubuntu 18.04 LTS
- walinuxagent – 2.2.32-0ubuntu1~18.04.2
- Ubuntu 16.04 LTS
- walinuxagent – 2.2.32-0ubuntu1~16.04.2
- Ubuntu 14.04 LTS
- walinuxagent – 2.2.32-0ubuntu1~14.04.2
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.