A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem.
https://security.netapp.com/advisory/ntap-20221020-0006/
https://lore.kernel.org/lkml/20220427065233.2075-1-w%401wt.eu/T/