An issue was discovered in the Linux kernel before 5.16.5. There is a memory leak in yam_siocdevprivate in drivers/net/hamradio/yam.c.
https://www.debian.org/security/2022/dsa-5096
https://www.debian.org/security/2022/dsa-5092
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
https://github.com/torvalds/linux/commit/29eb31542787e1019208a2e1047bb7c76c069536
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.5