CVE-2026-80890 | Linux Kernel up to 7.1.7 SCTP sctp_unpack_cookie authentication replay

September 4, 2026 Yanac

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 7.1.7. Impacted is the function sctp_unpack_cookie of the component SCTP. This manipulation causes authentication bypass by capture-replay.

This vulnerability is registered as CVE-2026-80890. Remote exploitation of the attack is possible. No exploit is available.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More