CVE-2026-74704

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The sch cake ACK filter, which parses packets to locate the TCP header and filter duplicated ACKs during flow backlogs, contains a WARN ON(1) statement. This can be triggered by a malformed IP header, resulting in either excessive warning logs in dmesg or a system panic if the panic on warn configuration is enabled.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.