VULNERABILITY INTELLIGENCE
CVE-2026-74705
CVSS score10 CRITICAL
EPSS probability0.50%
CISA KEVNot currently listed
Published2026-08-22
Last modified2026-10-16
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Description
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head, the saved UDP header pointer is no longer valid.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.