{"id":"CVE-2026-80933","revision":"d35107eb9316406e8da271c9d715bebc","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":[]}