CVE-2026-74705
In the Linux kernel, the following vulnerability has been resolved: udp: fix potential use-after-free in tunnel segmentation __skb_udp_tunnel_segment() gets the UDP header before ensuring the tunnel header is in the skb head. If the pull reallocates skb->head, the saved UDP header pointer is no longer valid. Get the UDP header after the pull to avoid a potential use-after-free.
- Published Aug 22, 2026
- CVSS 10.0 critical
- 0.5% chance of exploitation in the next 30 days (EPSS)
- A fix is available