A memory corruption bug in the Linux polkit’s pkexec tool has a privilege escalation vulnerability (CVE-2021-4034). It's been named PwnKit and an exploit is publicly-available. Patch Linux systems as soon as possible. #btbalert
Another security update for Apache Log4j. Please update to version 2.16.0. CVE-2021-45056 has been discovered due to incomplete fixes to the Log4Shell issue. #btbalert https://t.co/5KduXbk8Ey