{"id":"CVE-2026-72232","revision":"27e68b437d984b3dafdd79238eae0054","records":[{"revision":"27e68b437d984b3dafdd79238eae0054","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-72232","aliases":[],"title":"batman-adv: ensure minimal ethernet header on TX","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: ensure minimal ethernet header on TX\n\nAs documented in commit 8bd67ebb50c0 (\"net: bridge: xmit: make sure we have\nat least eth header len bytes\"), it is possible by for a local user with\neBPF TC hook access to attach a tc filter which truncates the packet and\nredirects to an batadv interface. But the code assumes that at least\nETH_HLEN bytes are available and thus might read outside of the available\nbuffer.\n\nThe batadv_interface_tx() must therefore always check itself if enough data\nis available for the ethernet header and don't rely on min_header_len.","state":0,"publishedAt":"2026-08-15T05:54:22.864+00:00","modifiedAt":"2026-10-16T18:45:03.394+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/batman-adv/mesh-interface.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"c6c8fea29769d998d94fcec9b9f14d4b52b349d3\",\n                            \"lessThan\": \"58799078afebd5115e052bf69ad6697f9759dd6f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c6c8fea29769d998d94fcec9b9f14d4b52b349d3\",\n                            \"lessThan\": \"38cd10b0aeec755d89f78722a2b83f4088ff0cb0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c6c8fea29769d998d94fcec9b9f14d4b52b349d3\",\n                            \"lessThan\": \"811fea37620f2097955d95ce81cfdba03fd30f1b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c6c8fea29769d998d94fcec9b9f14d4b52b349d3\",\n                            \"lessThan\": \"e6640923afee619d9fa82b07394dc9498e202304\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c6c8fea29769d998d94fcec9b9f14d4b52b349d3\",\n                            \"lessThan\": \"6b4f521e01257387906f8b969ad3450d8208d4e2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c6c8fea29769d998d94fcec9b9f14d4b52b349d3\",\n                            \"lessThan\": \"9e16b6751a8206de0b865d99bb02771e6751d12d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c6c8fea29769d998d94fcec9b9f14d4b52b349d3\",\n                            \"lessThan\": \"dbeb4145d9778f922f459935da9a027750765a69\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c6c8fea29769d998d94fcec9b9f14d4b52b349d3\",\n                            \"lessThan\": \"49df66b7993c80b80c7eb9a84ba5b3410c8296a0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/batman-adv/mesh-interface.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2.6.38\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.6.38\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.261\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.212\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.178\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.145\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.97\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.40\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.5\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/58799078afebd5115e052bf69ad6697f9759dd6f","https://git.kernel.org/stable/c/38cd10b0aeec755d89f78722a2b83f4088ff0cb0","https://git.kernel.org/stable/c/811fea37620f2097955d95ce81cfdba03fd30f1b","https://git.kernel.org/stable/c/e6640923afee619d9fa82b07394dc9498e202304","https://git.kernel.org/stable/c/6b4f521e01257387906f8b969ad3450d8208d4e2","https://git.kernel.org/stable/c/9e16b6751a8206de0b865d99bb02771e6751d12d","https://git.kernel.org/stable/c/dbeb4145d9778f922f459935da9a027750765a69","https://git.kernel.org/stable/c/49df66b7993c80b80c7eb9a84ba5b3410c8296a0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72232","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-72232","identifiers":["CVE-2026-72232"]},"retained":false,"historicalAffected":[]}],"coverage":[]}