{"id":"CVE-2026-92489","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-92489","generatedAt":"2026-09-20T12:31:16.819Z","title":"In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix skb double-free in xfrm_dev_direct_output() A return value other than 1 from local_out() means that the skb has been consumed or its ownership was transferred.…","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm: Fix skb double-free in xfrm_dev_direct_output()\n\nA return value other than 1 from local_out() means that the skb has been\nconsumed or its ownership was transferred. xfrm_dev_direct_output()\nnevertheless frees the skb on this path, causing a double-free when\nnetfilter drops the packet and invalidating any other owner.\n\nReturn the local_out() result directly, matching the ownership handling\nin xfrm_output_resume().","published":"2026-09-17T17:17:51.000Z","lastModified":"2026-09-18T18:18:13.000Z","status":"Received","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":[],"affected":[],"epss":{"score":0.00463,"percentile":0.39368,"date":"2026-09-19","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 (0.46%). 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/02deb637e965950148752a304dd1471212dd6470","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2aed51fc58d9ce450e2c116efb956160fd06fa02","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/56a347950e661c1a7f8f31c43a2ea53c2323b6f4","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/621871b696b108026bf4b44ed4085ffa2102f417","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bc9297796bfdcc8d9609236e54519a4f38737aac","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-92489","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."}