CVE-2026-72249

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

Description An issue exists in the netfilter flowtable component when pushing the IPIP header. The system incorrectly uses the route of the opposite direction to calculate the headroom instead of the route for the current direction. This flaw specifically impacts the headroom and the iph->frag off variable during this stage of processing.

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