{"id":"CVE-2026-89949","revision":null,"records":[{"revision":"622b9abe052e4b798cc6c6322b8be722","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-89949","aliases":[],"title":"batman-adv: dat: avoid unaligned fault in IP extraction","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: dat: avoid unaligned fault in IP extraction\n\nIndependent of the alignment of the ARP packet in the SKB, either the\nbatadv_arp_ip_src or the batadv_arp_ip_dst will have an unaligned access\n(on HW without native unaligned read support).\n\nUse get_unaligned() to handle this properly on all architectures.","state":0,"publishedAt":"2026-09-16T10:32:34.794+00:00","modifiedAt":"2026-10-19T08:55:23.408+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/distributed-arp-table.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5c3a0e5535933349a5d6e6bc8b704e0611f21d3f\",\n \"lessThan\": \"b1bbc694ca51adb8dbed3f3235b4fcbdb44e0e20\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5c3a0e5535933349a5d6e6bc8b704e0611f21d3f\",\n \"lessThan\": \"15dbfb37f0e1a085d48deeb8f5238e9d28127dde\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5c3a0e5535933349a5d6e6bc8b704e0611f21d3f\",\n \"lessThan\": \"a170d4617e8cca05a1314de61728a262ef272782\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5c3a0e5535933349a5d6e6bc8b704e0611f21d3f\",\n \"lessThan\": \"c74a4acf41d19f21199dec2d6c813c90d31cd02c\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5c3a0e5535933349a5d6e6bc8b704e0611f21d3f\",\n \"lessThan\": \"91c99b4e152023c7d458a5dedd52d2b0d7df4ce3\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5c3a0e5535933349a5d6e6bc8b704e0611f21d3f\",\n \"lessThan\": \"1cfa7d5f70d54cb8c7e82df739430782d1996ee1\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5c3a0e5535933349a5d6e6bc8b704e0611f21d3f\",\n \"lessThan\": \"0c2df865338bbf92aa45b9253e5f9b8ef2d9992f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5c3a0e5535933349a5d6e6bc8b704e0611f21d3f\",\n \"lessThan\": \"0121afa52cdb88cfb4d5d7bd126a23a9100121d8\",\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/distributed-arp-table.c\"\n ],\n \"versions\": [\n {\n \"version\": \"3.8\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"3.8\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.270\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.221\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.188\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.157\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.110\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.51\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.2.5\",\n \"lessThanOrEqual\": \"7.2.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.3\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/b1bbc694ca51adb8dbed3f3235b4fcbdb44e0e20","https://git.kernel.org/stable/c/15dbfb37f0e1a085d48deeb8f5238e9d28127dde","https://git.kernel.org/stable/c/a170d4617e8cca05a1314de61728a262ef272782","https://git.kernel.org/stable/c/c74a4acf41d19f21199dec2d6c813c90d31cd02c","https://git.kernel.org/stable/c/91c99b4e152023c7d458a5dedd52d2b0d7df4ce3","https://git.kernel.org/stable/c/1cfa7d5f70d54cb8c7e82df739430782d1996ee1","https://git.kernel.org/stable/c/0c2df865338bbf92aa45b9253e5f9b8ef2d9992f","https://git.kernel.org/stable/c/0121afa52cdb88cfb4d5d7bd126a23a9100121d8"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89949","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-89949","identifiers":["CVE-2026-89949"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-fee388ad830c491099c9d43beacb6a8c","complete":false,"records":13654,"lastAttemptAt":"2026-11-09T04:13:54.2939891+00:00","lastSuccessAt":"2026-11-09T04:13:54.3617063+00:00","error":null,"lastVerifiedAt":"2026-11-09T04:13:54.3617063+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. 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