{"id":"CVE-2026-92489","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-92489","summary":"xfrm: Fix skb double-free in xfrm_dev_direct_output()","details":"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":"2026-09-17T16:10:04.126Z","modified":"2026-09-19T03:47:29.559222052Z","cvss":{"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"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Linux","name":"Kernel","fixedVersion":"6.6.157"}],"fix":null,"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/02deb637e965950148752a304dd1471212dd6470"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2aed51fc58d9ce450e2c116efb956160fd06fa02"},{"type":"WEB","url":"https://git.kernel.org/stable/c/56a347950e661c1a7f8f31c43a2ea53c2323b6f4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/621871b696b108026bf4b44ed4085ffa2102f417"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bc9297796bfdcc8d9609236e54519a4f38737aac"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92489.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92489"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-19T03:47:29.559222052Z"}}