{"id":"CVE-2026-80935","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-80935","generatedAt":"2026-10-27T23:56:42.311Z","title":"In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: bound the device EEPROM address before the EFUSE copy mt7996_mcu_get_eeprom() derives the destination of the EFUSE/EXT block copy from the address reported by the…","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: bound the device EEPROM address before the EFUSE copy\n\nmt7996_mcu_get_eeprom() derives the destination of the EFUSE/EXT block\ncopy from the address reported by the MCU response (event->addr, a\ndevice-controlled __le32) and clamps only the copy length, never the\ndestination offset into dev->mt76.eeprom.data. A malicious or\nmalfunctioning device can report an arbitrary address and drive an\nout-of-bounds write of up to MT7996_EXT_EEPROM_BLOCK_SIZE bytes past\neeprom.data.\n\nReject a response whose address would place the copy outside eeprom.data\nbefore deriving the destination pointer. Devices that echo the requested\nin-bounds offset are unaffected.","published":"2026-09-11T20:18:57.000Z","lastModified":"2026-10-21T13:20:01.000Z","status":"Received","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":[],"affected":[],"epss":{"score":0.00255,"percentile":0.16887,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/13b3c29a782033ce4a230be9e5618032813dbcd4","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/388f471ca4758f644394b681ce97677a4d0e772c","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4892be1ef0bbe6db6b13bf46cb79b6706bb5b214","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6be59da2063d5b3522bfde8aae0487ec095eb384","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9e5abb5e2ade0b6fd0e47209711115d47a255176","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80935","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}