{"id":"CVE-2026-74705","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-74705","generatedAt":"2026-10-28T01:10:51.566Z","title":"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.","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nudp: fix potential use-after-free in tunnel segmentation\n\n__skb_udp_tunnel_segment() gets the UDP header before ensuring the\ntunnel header is in the skb head. If the pull reallocates skb->head,\nthe saved UDP header pointer is no longer valid.\n\nGet the UDP header after the pull to avoid a potential use-after-free.","published":"2026-08-22T16:16:45.000Z","lastModified":"2026-10-16T20:17:53.000Z","status":"Received","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":10,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"},"cwe":[],"affected":[],"epss":{"score":0.005,"percentile":0.42539,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.50%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/19d89b13a43640b2da2f277ee462d919d988cb6f","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1ae134c012e10384cdac420b5cc6e0615cde0b55","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5161e67c561c4f28a5d9335a6e859b02511de92b","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/588d4a6795d99d080f74ef0b5f391ea8c453ae5d","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/64d322c288577793eedd352b96ef75234ed380fe","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6a733a38b983d8c2e222f13968209010cf44de87","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b3df61bb745eb5201eac22679a2839d4ccbf3442","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d0f86fb36eb260abd10007b62c9dcc1028e03e61","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74705","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}