Sander Bos discovered that the MOTD update script incorrectly handled temporary files. A local attacker could use this issue to cause a denial of service, or possibly escalate privileges if kernel symlink restrictions were disabled.
{ "availability": "No subscription required", "binaries": [ { "binary_version": "10.1ubuntu2.2", "binary_name": "base-files" }, { "binary_version": "10.1ubuntu2.2", "binary_name": "lsb-release-udeb" } ] }