It was discovered that the Linux kernel algif_aead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. (CVE-2026-31431)
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:
4.15.0-1192.205~16.04.14.15.0-1201.216~16.04.14.15.0-1185.202~16.04.14.15.0-250.262~16.04.14.15.0-1154.165~16.04.1