CVE-2026-80731 | Linux Kernel up to 7.1.8 Net Header Validation dev_validate_header hard_header_len out-of-bounds write

A vulnerability classified as very critical was found in Linux Kernel up to 7.1.8. The impacted element is the function dev_validate_header of the component Net Header Validation. The manipulation of the argument hard_header_len results in out-of-bounds write.

This vulnerability was named CVE-2026-80731. The attack may be performed from remote. There is no available exploit.

Upgrading the affected component is advised.VulDB Recent EntriesRead More