An issue was discovered in the Linux kernel through 5.18.14. xfrm_expand_policies in net/xfrm/xfrm_policy.c can cause a refcount to be dropped twice.
https://www.debian.org/security/2022/dsa-5207
https://security.netapp.com/advisory/ntap-20220901-0007/
https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html
https://lists.debian.org/debian-lts-announce/2022/09/msg00011.html
https://github.com/torvalds/linux/commit/f85daf0e725358be78dfd208dea5fd665d8cb901