CVE-2023-0881 – DDoS in Ubuntu package linux-bluefield

https://notcve.org/view.php?id=CVE-2023-0881

31 Mar 2025 — Running DDoS on tcp port 22 will trigger a kernel crash. This issue is introduced by the backport of a commit regarding nft_lookup without the subsequent fixes that were introduced after this commit. The resolution of this CVE introduces those commits to the linux-bluefield package. • https://bugs.launchpad.net/ubuntu/+source/linux-bluefield/+bug/2006397 • CWE-20: Improper Input Validation •