{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80937", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.803Z", "datePublished": "2026-09-11T19:42:10.822Z", "dateUpdated": "2026-09-11T19:42:10.822Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-11T19:42:10.822Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7915: bound the device EEPROM address before the EFUSE copy\n\nmt7915_mcu_get_eeprom() copies a fixed EFUSE block into the driver's\ndev->mt76.eeprom.data buffer at the offset reported by the MCU response\n(res->addr, a device-controlled __le32) without checking it against the\nbuffer size. A malicious or malfunctioning device can report an arbitrary\naddress and drive a 16-byte out-of-bounds write past eeprom.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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7915/mcu.c"], "versions": [{"version": "e57b7901469fc0b021930b83a8094baaf3d81b09", "lessThan": "5fdaf7016d7684ef756a229fd5d96b4a140eeb40", "status": "affected", "versionType": "git"}, {"version": "e57b7901469fc0b021930b83a8094baaf3d81b09", "lessThan": "5f48b0d752a76590e2c613aae5345c2474627d1b", "status": "affected", "versionType": "git"}, {"version": "e57b7901469fc0b021930b83a8094baaf3d81b09", "lessThan": "44b5adfe49499f53002737f5fe81d608c08122fc", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7915/mcu.c"], "versions": [{"version": "5.8", "status": "affected"}, {"version": "0", "lessThan": "5.8", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.50", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.4", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3-rc1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "6.18.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "7.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "7.3-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5fdaf7016d7684ef756a229fd5d96b4a140eeb40"}, {"url": "https://git.kernel.org/stable/c/5f48b0d752a76590e2c613aae5345c2474627d1b"}, {"url": "https://git.kernel.org/stable/c/44b5adfe49499f53002737f5fe81d608c08122fc"}], "title": "wifi: mt76: mt7915: bound the device EEPROM address before the EFUSE copy", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7915/mcu.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "5fdaf7016d7684ef756a229fd5d96b4a140eeb40", "status": "affected", "version": "e57b7901469fc0b021930b83a8094baaf3d81b09", "versionType": "git"}, {"lessThan": "5f48b0d752a76590e2c613aae5345c2474627d1b", "status": "affected", "version": "e57b7901469fc0b021930b83a8094baaf3d81b09", "versionType": "git"}, {"lessThan": "44b5adfe49499f53002737f5fe81d608c08122fc", "status": "affected", "version": "e57b7901469fc0b021930b83a8094baaf3d81b09", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7915/mcu.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.8"}, {"lessThan": "5.8", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.50", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3-rc1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7915: bound the device EEPROM address before the EFUSE copy\n\nmt7915_mcu_get_eeprom() copies a fixed EFUSE block into the driver's\ndev->mt76.eeprom.data buffer at the offset reported by the MCU response\n(res->addr, a device-controlled __le32) without checking it against the\nbuffer size. A malicious or malfunctioning device can report an arbitrary\naddress and drive a 16-byte out-of-bounds write past eeprom.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."}], "id": "CVE-2026-80937", "lastModified": "2026-09-11T20:18:57.627", "metrics": {}, "published": "2026-09-11T20:18:57.627", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/44b5adfe49499f53002737f5fe81d608c08122fc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5f48b0d752a76590e2c613aae5345c2474627d1b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5fdaf7016d7684ef756a229fd5d96b4a140eeb40"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel: Wi-Fi driver out-of-bounds write via malicious device EEPROM address", "id": "2532388", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532388"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.8", "cvss3_scoring_vector": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["A flaw was found in the Linux kernel's Wi-Fi driver for mt7915 chipsets. This vulnerability allows a malicious or malfunctioning Wi-Fi device to provide an invalid memory address. This can cause the driver to write data beyond its allocated memory, leading to an out-of-bounds write. Such memory corruption could potentially compromise system stability or allow for unauthorized code execution."], "name": "CVE-2026-80937", "public_date": "2026-09-11T19:42:10Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80937\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80937\nhttps://git.kernel.org/stable/c/44b5adfe49499f53002737f5fe81d608c08122fc\nhttps://git.kernel.org/stable/c/5f48b0d752a76590e2c613aae5345c2474627d1b\nhttps://git.kernel.org/stable/c/5fdaf7016d7684ef756a229fd5d96b4a140eeb40"], "threat_severity": "Important"}

{}