CVE-2026-90375

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90375", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.808Z", "datePublished": "2026-09-17T16:09:14.730Z", "dateUpdated": "2026-10-30T12:35:24.917Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:35:24.917Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: fix non-AQL packet accounting for MLO stations\n\n__mt76_tx_queue_skb() overrides the wcid passed by the driver with\nsta->drv_priv, so the wcid might incorrectly be changed after TX,\ncausing wcid->non_aql_packets to be counted on the wrong wcid. For\nexample, on the AP side, if a station's setup link is the 5G link and\nthe station uses 2G to transmit a frame, the value of non_aql_packets\nis increased on the 5G wcid but decreased on the 2G wcid. Once the\ninflated counter exceeds MT_MAX_NON_AQL_PKT, the TX scheduler\npermanently refuses to service the station.\n\nDrop the reassignment and account on the wcid used for transmission.\nThis also records the actual wcid in the queue entry."}], "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/tx.c"], "versions": [{"version": "e1378e5228aaa1bf6bb253a379c7de1722a94e00", "lessThan": "f94842ee088744a9e4b3b3ce4c91e897c4e72aba", "status": "affected", "versionType": "git"}, {"version": "e1378e5228aaa1bf6bb253a379c7de1722a94e00", "lessThan": "2c321f86846ead00552bc65f73f5b5f1f81d4023", "status": "affected", "versionType": "git"}, {"version": "e1378e5228aaa1bf6bb253a379c7de1722a94e00", "lessThan": "f85f6933cc170155f1c7c2dffdd014965787c71b", "status": "affected", "versionType": "git"}, {"version": "e1378e5228aaa1bf6bb253a379c7de1722a94e00", "lessThan": "fc7fae55255ccbde009232e84b102d2782a69ecf", "status": "affected", "versionType": "git"}, {"version": "e1378e5228aaa1bf6bb253a379c7de1722a94e00", "lessThan": "186c957ac3325aefb982567ffdd3654b283688a7", "status": "affected", "versionType": "git"}, {"version": "e1378e5228aaa1bf6bb253a379c7de1722a94e00", "lessThan": "8ae659743ba936b22ecb4620815887728e2820d6", "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/tx.c"], "versions": [{"version": "5.10", "status": "affected"}, {"version": "0", "lessThan": "5.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "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": "5.10", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/f94842ee088744a9e4b3b3ce4c91e897c4e72aba"}, {"url": "https://git.kernel.org/stable/c/2c321f86846ead00552bc65f73f5b5f1f81d4023"}, {"url": "https://git.kernel.org/stable/c/f85f6933cc170155f1c7c2dffdd014965787c71b"}, {"url": "https://git.kernel.org/stable/c/fc7fae55255ccbde009232e84b102d2782a69ecf"}, {"url": "https://git.kernel.org/stable/c/186c957ac3325aefb982567ffdd3654b283688a7"}, {"url": "https://git.kernel.org/stable/c/8ae659743ba936b22ecb4620815887728e2820d6"}], "title": "wifi: mt76: fix non-AQL packet accounting for MLO stations", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/tx.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "f94842ee088744a9e4b3b3ce4c91e897c4e72aba", "status": "affected", "version": "e1378e5228aaa1bf6bb253a379c7de1722a94e00", "versionType": "git"}, {"lessThan": "2c321f86846ead00552bc65f73f5b5f1f81d4023", "status": "affected", "version": "e1378e5228aaa1bf6bb253a379c7de1722a94e00", "versionType": "git"}, {"lessThan": "f85f6933cc170155f1c7c2dffdd014965787c71b", "status": "affected", "version": "e1378e5228aaa1bf6bb253a379c7de1722a94e00", "versionType": "git"}, {"lessThan": "fc7fae55255ccbde009232e84b102d2782a69ecf", "status": "affected", "version": "e1378e5228aaa1bf6bb253a379c7de1722a94e00", "versionType": "git"}, {"lessThan": "186c957ac3325aefb982567ffdd3654b283688a7", "status": "affected", "version": "e1378e5228aaa1bf6bb253a379c7de1722a94e00", "versionType": "git"}, {"lessThan": "8ae659743ba936b22ecb4620815887728e2820d6", "status": "affected", "version": "e1378e5228aaa1bf6bb253a379c7de1722a94e00", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/tx.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.10"}, {"lessThan": "5.10", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "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: fix non-AQL packet accounting for MLO stations\n\n__mt76_tx_queue_skb() overrides the wcid passed by the driver with\nsta->drv_priv, so the wcid might incorrectly be changed after TX,\ncausing wcid->non_aql_packets to be counted on the wrong wcid. For\nexample, on the AP side, if a station's setup link is the 5G link and\nthe station uses 2G to transmit a frame, the value of non_aql_packets\nis increased on the 5G wcid but decreased on the 2G wcid. Once the\ninflated counter exceeds MT_MAX_NON_AQL_PKT, the TX scheduler\npermanently refuses to service the station.\n\nDrop the reassignment and account on the wcid used for transmission.\nThis also records the actual wcid in the queue entry."}], "id": "CVE-2026-90375", "lastModified": "2026-10-30T13:20:51.657", "metrics": {}, "published": "2026-09-17T17:17:36.720", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/186c957ac3325aefb982567ffdd3654b283688a7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2c321f86846ead00552bc65f73f5b5f1f81d4023"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8ae659743ba936b22ecb4620815887728e2820d6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f85f6933cc170155f1c7c2dffdd014965787c71b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f94842ee088744a9e4b3b3ce4c91e897c4e72aba"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fc7fae55255ccbde009232e84b102d2782a69ecf"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e1378e5228aaa1bf6bb253a379c7de1722a94e00,f85f6933cc170155f1c7c2dffdd014965787c71b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e1378e5228aaa1bf6bb253a379c7de1722a94e00,fc7fae55255ccbde009232e84b102d2782a69ecf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e1378e5228aaa1bf6bb253a379c7de1722a94e00,186c957ac3325aefb982567ffdd3654b283688a7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e1378e5228aaa1bf6bb253a379c7de1722a94e00,8ae659743ba936b22ecb4620815887728e2820d6)"}}], "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": "5.10"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.10)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.110,6.13.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.52,6.19.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "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": "2026-09-19T07:30:16.929075+00:00", "updated": "2026-09-19T07:30:16.929115+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}