Early Access — Mondoo Vulnerability Intelligence is currently in preview.
Ye Zhang and Nicolas Wu discovered that the io_uring subsystem in the Linux kernel did not properly handle locking for rings with IOPOLL, leading to a double-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-21400)
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:
5.4.0-205.2255.4.0-1098.1055.4.0-1142.1515.4.0-1085.905.4.0-1126.1345.4.0-1137.1465.4.0-1122.1345.4.0-1142.151~18.04.15.4.0-1085.90~18.04.15.4.0-1137.146~18.04.1