The SUNRPC subsystem in the Linux kernel through 5.17.2 can call xs_xprt_free before ensuring that sockets are in the intended state.
https://www.debian.org/security/2022/dsa-5161
https://security.netapp.com/advisory/ntap-20220526-0002/
http://www.openwall.com/lists/oss-security/2022/04/11/5