{"id":"CVE-2026-80933","revision":null,"records":[{"revision":"d35107eb9316406e8da271c9d715bebc","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-80933","aliases":[],"title":"wifi: mt76: mt7996: validate default EEPROM firmware size","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: validate default EEPROM firmware size\n\nThe default EEPROM firmware is parsed and copied as a full EEPROM\nwithout checking its length. A truncated file can make the driver\nread beyond the firmware buffer during variant validation or the\nfallback copy.\n\nReject files shorter than MT7996_EEPROM_SIZE before parsing or\ncopying the firmware.","state":0,"publishedAt":"2026-09-11T19:42:07.754+00:00","modifiedAt":"2026-10-19T08:45:17.026+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 \"drivers/net/wireless/mediatek/mt76/mt7996/eeprom.c\"\n ],\n \"versions\": [\n {\n \"version\": \"98686cd21624c75a043e96812beadddf4f6f48e5\",\n \"lessThan\": \"b4bf67cc0871b13103c404b38e332b9d4403a0da\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"98686cd21624c75a043e96812beadddf4f6f48e5\",\n \"lessThan\": \"127a291f4c8069a4e71906938402cacfe24ee8cd\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"98686cd21624c75a043e96812beadddf4f6f48e5\",\n \"lessThan\": \"03b81f015dbb29807ce1ec6d45537d658abdac69\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"98686cd21624c75a043e96812beadddf4f6f48e5\",\n \"lessThan\": \"7074ec3769820302f1ccf8794a40a6582153b820\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"98686cd21624c75a043e96812beadddf4f6f48e5\",\n \"lessThan\": \"653c6e289b13cc6942f3e8f8e3c568e70fa42d1f\",\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 \"drivers/net/wireless/mediatek/mt76/mt7996/eeprom.c\"\n ],\n \"versions\": [\n {\n \"version\": \"6.2\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"6.2\",\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\": \"6.18.50\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.2.4\",\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":[{"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/b4bf67cc0871b13103c404b38e332b9d4403a0da","https://git.kernel.org/stable/c/127a291f4c8069a4e71906938402cacfe24ee8cd","https://git.kernel.org/stable/c/03b81f015dbb29807ce1ec6d45537d658abdac69","https://git.kernel.org/stable/c/7074ec3769820302f1ccf8794a40a6582153b820","https://git.kernel.org/stable/c/653c6e289b13cc6942f3e8f8e3c568e70fa42d1f"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80933","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-80933","identifiers":["CVE-2026-80933"]},"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-4f2cebce00d8473081b28b769c5ae383","complete":false,"records":13654,"lastAttemptAt":"2026-11-09T05:14:17.7698071+00:00","lastSuccessAt":"2026-11-09T05:14:17.765+00:00","error":"8 identifier lookups failed; latest failures include HTTP 403. Other identifiers were checked independently.","lastVerifiedAt":"2026-11-09T05:14:17.765+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13657,"expectedIdentifiers":13706,"failedIdentifiers":8},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. 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