{"id":"CVE-2026-72233","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-72233","summary":"batman-adv: bla: reacquire gw address after skb realloc","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: bla: reacquire gw address after skb realloc\n\nThe pskb_may_pull() called by batadv_bla_is_backbone_gw() could reallocate\nthe buffer behind the skb. Variables which were pointing to the old buffer\nneed to be reassigned to avoid an use-after-free.","published":"2026-08-15T05:54:23.663Z","modified":"2026-08-18T03:56:39.538918117Z","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/41819c5467b6eb8ab4567f0ac98702ce9b6abbb1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4a6673c55752a7aa41e28f51660eb981504ca088"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a9ab19fbca86b32e9a9ae9e1a63e70a7eab3400f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ab2bac47a02637df1128a151e81d3ec14767f4bb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cdf3b5af2bc4431e58629e8ad2086b1e9185c761"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dc16bbf53cede1baf564bf0c8a861114b64e18b3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e5e18886aadd3870e2d84e32a9678317fab1dd9e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f4fb97ecf677cd9c3aa4f3bfc6fbf5b0e4bdbbbf"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72233.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72233"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-18T03:56:39.538918117Z"}}