{"id":"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.","modified":"2026-08-18T03:56:39.538918117Z","published":"2026-08-15T05:54:23.663Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72233.json"},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"9e794b6bf4a2c65d698d7433ddfabc54a5d53a88"},{"fixed":"41819c5467b6eb8ab4567f0ac98702ce9b6abbb1"},{"fixed":"a9ab19fbca86b32e9a9ae9e1a63e70a7eab3400f"},{"fixed":"4a6673c55752a7aa41e28f51660eb981504ca088"},{"fixed":"ab2bac47a02637df1128a151e81d3ec14767f4bb"},{"fixed":"dc16bbf53cede1baf564bf0c8a861114b64e18b3"},{"fixed":"e5e18886aadd3870e2d84e32a9678317fab1dd9e"},{"fixed":"f4fb97ecf677cd9c3aa4f3bfc6fbf5b0e4bdbbbf"},{"fixed":"cdf3b5af2bc4431e58629e8ad2086b1e9185c761"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72233.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.12.0"},{"fixed":"5.10.261"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.212"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.178"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.145"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.97"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.40"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72233.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}