CVE-2026-64410

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

Description An issue exists in the netfilter flowtable where IPIP tunnel hardware offload is not supported because no driver currently supports this scenario. The system previously enqueued offload work to the worker, which was then ignored if the hardware configuration was unsupported. The fix involves moving the NF FLOW HW flag check to the nf flow offload add() function to prevent repeated offload attempts during refresh when unsupported. If the NF FLOW HW flag is unset, the del and stats variants are not called.

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