USN-3907-1: WALinuxAgent vulnerability

Releases

• Ubuntu 18.10
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• 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

• walinuxagent - 2.2.32-0ubuntu1~18.04.2

Ubuntu 16.04

• walinuxagent - 2.2.32-0ubuntu1~16.04.2

Ubuntu 14.04

• walinuxagent - 2.2.32-0ubuntu1~14.04.2

In general, a standard system update will make all the necessary changes.

References

• CVE-2019-0804