{"id":"CVE-2026-80599","revision":null,"records":[{"revision":"586a7a0c5d894e799842f99245ac1ac5","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-80599","aliases":[],"title":"batman-adv: dat: ensure accessible eth_hdr proto field","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: dat: ensure accessible eth_hdr proto field\n\nWhen batadv_get_vid() accesses the proto field of the ethernet header, it\nis not checking if the data itself is accessible. The caller is responsible\nfor it. But in contrast to other call sites, batadv_dat_get_vid() and its\ncaller didn't make sure this is true. This could have caused an\nout-of-bounds access.","state":0,"publishedAt":"2026-08-28T06:48:26.709+00:00","modifiedAt":"2026-10-16T19:26:29.749+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 \"net/batman-adv/main.c\"\n ],\n \"versions\": [\n {\n \"version\": \"be1db4f6615b5e6156c807ea8985171c215c2d57\",\n \"lessThan\": \"da3677b5ed362742d30ceab31bfafcdc74dc2642\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"be1db4f6615b5e6156c807ea8985171c215c2d57\",\n \"lessThan\": \"6d3ea37074bb747f745d28138f87745ba9bd97c5\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"be1db4f6615b5e6156c807ea8985171c215c2d57\",\n \"lessThan\": \"7913935d41f166c367bbf7cc76a79e50044388e8\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"be1db4f6615b5e6156c807ea8985171c215c2d57\",\n \"lessThan\": \"3c62694c31f043568c3f4784b8d247cc3bea6b4c\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"be1db4f6615b5e6156c807ea8985171c215c2d57\",\n \"lessThan\": \"5836a050d02e9598fa0f71e88dde28b63dfa35e3\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"be1db4f6615b5e6156c807ea8985171c215c2d57\",\n \"lessThan\": \"8f76277d02176cd739945bba3379448e2e22e799\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"be1db4f6615b5e6156c807ea8985171c215c2d57\",\n \"lessThan\": \"4407ff3af469356f9641c4a6e7072309bae86bea\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"be1db4f6615b5e6156c807ea8985171c215c2d57\",\n \"lessThan\": \"26560c4a03dc4d607331600c187f59ab2df5f341\",\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 \"net/batman-adv/main.c\"\n ],\n \"versions\": [\n {\n \"version\": \"3.13\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"3.13\",\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:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","score":8.1,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/da3677b5ed362742d30ceab31bfafcdc74dc2642","https://git.kernel.org/stable/c/6d3ea37074bb747f745d28138f87745ba9bd97c5","https://git.kernel.org/stable/c/7913935d41f166c367bbf7cc76a79e50044388e8","https://git.kernel.org/stable/c/3c62694c31f043568c3f4784b8d247cc3bea6b4c","https://git.kernel.org/stable/c/5836a050d02e9598fa0f71e88dde28b63dfa35e3","https://git.kernel.org/stable/c/8f76277d02176cd739945bba3379448e2e22e799","https://git.kernel.org/stable/c/4407ff3af469356f9641c4a6e7072309bae86bea","https://git.kernel.org/stable/c/26560c4a03dc4d607331600c187f59ab2df5f341"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80599","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-80599","identifiers":["CVE-2026-80599"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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