{"id":"CVE-2026-92489","title":"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 transferre…","summary":"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 transferre…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= bfb9b9404a53a72524ce695551755117e9d3deb0 < 621871b696b108026bf4b44ed4085ffa2102f417","Linux >= a0395e96831adee8ffa016bf958e4dce9ece656e < bc9297796bfdcc8d9609236e54519a4f38737aac","Linux >= 5eddd76ec2fd1988f0a3450fde9730b10dd22992 < 02deb637e965950148752a304dd1471212dd6470","Linux >= 5eddd76ec2fd1988f0a3450fde9730b10dd22992 < 56a347950e661c1a7f8f31c43a2ea53c2323b6f4","Linux >= 5eddd76ec2fd1988f0a3450fde9730b10dd22992 < 2aed51fc58d9ce450e2c116efb956160fd06fa02","Linux d1d673a5bede3767252cff19c0ab1e5387c6f43f","Linux >= 6.6.85 < 6.6.157","Linux >= 6.12.21 < 6.12.110","Linux >= 6.13.9 < 6.14","Linux 6.14"],"published":"2026-09-17","updated":"2026-09-18","sourceUpdated":"2026-09-18T18:18:13.037","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-92489","references":[{"url":"https://git.kernel.org/stable/c/02deb637e965950148752a304dd1471212dd6470","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2aed51fc58d9ce450e2c116efb956160fd06fa02","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/56a347950e661c1a7f8f31c43a2ea53c2323b6f4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/621871b696b108026bf4b44ed4085ffa2102f417","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bc9297796bfdcc8d9609236e54519a4f38737aac","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00463,"epssPercentile":0.39378,"ingestedAt":"2026-09-17T16:21:47.785Z","slug":"CVE-2026-92489","body":"## Overview\n\nIn 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().\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":207331,"id":"CVE-2026-92489","ts":1789757340907,"field":"cvss","old":null,"new":"9.8"},{"seq":207330,"id":"CVE-2026-92489","ts":1789757340907,"field":"severity","old":"none","new":"critical"}]}