CVE-2026-98255 | Linux Kernel up to 7.3-rc3 TCP Fast Path tcp_ack input validation

October 6, 2026 Yanac

A vulnerability was found in Linux Kernel up to 7.3-rc3 and classified as critical. Affected is the function tcp_ack of the component TCP Fast Path. The manipulation results in improper input validation.

This vulnerability was named CVE-2026-98255. The attack may be performed from remote. There is no available exploit.

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