CVE-2026-80889 | Linux Kernel up to 7.1.7 isotp isotp_sendmsg txfrtimer/wait/tx_gen/tx_result/sk_err race condition

September 4, 2026 Yanac

A vulnerability was found in Linux Kernel up to 7.1.7. It has been classified as very critical. This impacts the function isotp_sendmsg of the component isotp. The manipulation of the argument txfrtimer/wait/tx_gen/tx_result/sk_err leads to race condition.

This vulnerability is traded as CVE-2026-80889. An attack has to be approached locally. There is no exploit available.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More