linux is vulnerable to privilege escalation. The vulnerability exists due to a double free bug in packet_set_ring() in net/packet/af_packet.c.
git://git.launchpad.net/ubuntu-cve-tracker/tree/active/CVE-2021-22600
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ec6af094ea28f0f2dda1a6a33b14cd57e36a9755
lists.debian.org/debian-lts-announce/2022/03/msg00012.html
security.netapp.com/advisory/ntap-20230110-0002/
www.debian.org/security/2022/dsa-5096