CVE-2026-90374

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90374", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.808Z", "datePublished": "2026-09-17T16:09:14.067Z", "dateUpdated": "2026-10-21T12:51:23.581Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:51:23.581Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: validate RX band_idx before dereferencing phys[]\n\nband_idx comes from a 2-bit descriptor field (0-3) and was used directly\nto index dev->mt76.phys[] (size __MT_MAX_BAND == 3) and dereference the\nresult. A corrupt or reserved descriptor value could index out of bounds\nor hit a NULL phy on parts with fewer bands. Reject invalid band indices,\nmirroring mt7996_rx_get_wcid()."}], "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/mt7996/mac.c"], "versions": [{"version": "98686cd21624c75a043e96812beadddf4f6f48e5", "lessThan": "493a029c205a994644327d554f0cfeb9651aba7c", "status": "affected", "versionType": "git"}, {"version": "98686cd21624c75a043e96812beadddf4f6f48e5", "lessThan": "535091c587268cc783608642838a655d828eefdd", "status": "affected", "versionType": "git"}, {"version": "98686cd21624c75a043e96812beadddf4f6f48e5", "lessThan": "0f53ece876e1f3bbb3e18f48afc4af1ee967b16c", "status": "affected", "versionType": "git"}, {"version": "98686cd21624c75a043e96812beadddf4f6f48e5", "lessThan": "b1c5cf8903bec5476a2233b4e45287b9a2213e02", "status": "affected", "versionType": "git"}, {"version": "98686cd21624c75a043e96812beadddf4f6f48e5", "lessThan": "2243778a5fae8329ab5f18e7adcd7e03b911a1b7", "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/mt7996/mac.c"], "versions": [{"version": "6.2", "status": "affected"}, {"version": "0", "lessThan": "6.2", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.110", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "6.2", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/493a029c205a994644327d554f0cfeb9651aba7c"}, {"url": "https://git.kernel.org/stable/c/535091c587268cc783608642838a655d828eefdd"}, {"url": "https://git.kernel.org/stable/c/0f53ece876e1f3bbb3e18f48afc4af1ee967b16c"}, {"url": "https://git.kernel.org/stable/c/b1c5cf8903bec5476a2233b4e45287b9a2213e02"}, {"url": "https://git.kernel.org/stable/c/2243778a5fae8329ab5f18e7adcd7e03b911a1b7"}], "title": "wifi: mt76: mt7996: validate RX band_idx before dereferencing phys[]", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7996/mac.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "493a029c205a994644327d554f0cfeb9651aba7c", "status": "affected", "version": "98686cd21624c75a043e96812beadddf4f6f48e5", "versionType": "git"}, {"lessThan": "535091c587268cc783608642838a655d828eefdd", "status": "affected", "version": "98686cd21624c75a043e96812beadddf4f6f48e5", "versionType": "git"}, {"lessThan": "0f53ece876e1f3bbb3e18f48afc4af1ee967b16c", "status": "affected", "version": "98686cd21624c75a043e96812beadddf4f6f48e5", "versionType": "git"}, {"lessThan": "b1c5cf8903bec5476a2233b4e45287b9a2213e02", "status": "affected", "version": "98686cd21624c75a043e96812beadddf4f6f48e5", "versionType": "git"}, {"lessThan": "2243778a5fae8329ab5f18e7adcd7e03b911a1b7", "status": "affected", "version": "98686cd21624c75a043e96812beadddf4f6f48e5", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7996/mac.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.2"}, {"lessThan": "6.2", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.110", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.52", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "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: mt7996: validate RX band_idx before dereferencing phys[]\n\nband_idx comes from a 2-bit descriptor field (0-3) and was used directly\nto index dev->mt76.phys[] (size __MT_MAX_BAND == 3) and dereference the\nresult. A corrupt or reserved descriptor value could index out of bounds\nor hit a NULL phy on parts with fewer bands. Reject invalid band indices,\nmirroring mt7996_rx_get_wcid()."}], "id": "CVE-2026-90374", "lastModified": "2026-10-21T13:20:53.090", "metrics": {}, "published": "2026-09-17T17:17:36.613", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0f53ece876e1f3bbb3e18f48afc4af1ee967b16c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2243778a5fae8329ab5f18e7adcd7e03b911a1b7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/493a029c205a994644327d554f0cfeb9651aba7c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/535091c587268cc783608642838a655d828eefdd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b1c5cf8903bec5476a2233b4e45287b9a2213e02"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[98686cd21624c75a043e96812beadddf4f6f48e5,535091c587268cc783608642838a655d828eefdd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[98686cd21624c75a043e96812beadddf4f6f48e5,0f53ece876e1f3bbb3e18f48afc4af1ee967b16c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[98686cd21624c75a043e96812beadddf4f6f48e5,b1c5cf8903bec5476a2233b4e45287b9a2213e02)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[98686cd21624c75a043e96812beadddf4f6f48e5,2243778a5fae8329ab5f18e7adcd7e03b911a1b7)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.2"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-19T07:30:16.929379+00:00", "updated": "2026-09-19T14:15:17.560518+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-787"]}