A flaw null pointer dereference in the Linux kernel UDF file system functionality was found in the way user triggers udf_file_write_iter function for the malicious UDF image. A local user could use this flaw to crash the system. Actual from Linux kernel 4.2-rc1 till 5.17-rc2.
https://www.debian.org/security/2022/dsa-5096
https://www.debian.org/security/2022/dsa-5095
https://lore.kernel.org/lkml/20220114172329.ygzry5rlz64ua2nr%40quack3.lan/T/
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html