{"id":"CVE-2026-80601","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-80601","summary":"batman-adv: gw: acquire ethernet header only after skb realloc","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: gw: acquire ethernet header only after skb realloc\n\nThe pskb_may_pull() called by batadv_get_vid() could reallocate the buffer\nbehind the skb. Variables which were pointing to the old buffer need to be\nreassigned to avoid an use-after-free.","published":"2026-08-28T06:48:27.948Z","modified":"2026-08-30T03:48:09.401673480Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:A/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":"5.10.261"}],"fix":null,"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2760b38222c8828b075802342fe3b91eb823d542"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6c37f1166549c999ccd164b0cb6462d1ae68f8f6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/77880a3be88d378d60cc1e8f8ec70430e2ed0518"},{"type":"WEB","url":"https://git.kernel.org/stable/c/916dac5f2944f63f07f7b501acbea6737dbbed0e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/afac8096bde4948e3caa7e4dd733867cfbd3018e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b79884a5567bf788fb76c30832467cf6a56f3c0d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e3f4325e35dd6e76b80665f3510738ce34819753"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e6b43acd34b219b807e65096ce207b087942779d"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80601.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80601"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-30T03:48:09.401673480Z"}}