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vuln-cve/data/2026/90xxx/CVE-2026-90349.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-90349",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-09-11T19:38:34.805Z",
"datePublished": "2026-09-17T16:08:57.539Z",
"dateUpdated": "2026-10-19T09:02:06.019Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-19T09:02:06.019Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: fix out-of-bounds link array access in mt7996_tx()\n\nWhen mac80211 leaves the link unspecified, mt7996_tx() substitutes the\nprimary link id of the station or vif. That value is\nIEEE80211_LINK_UNSPECIFIED (0xf) until the first link has been added,\nand it is then used unchecked to index vif->link_conf[],\nmvif->mt76.link[] and sta->link[], all of which hold\nIEEE80211_MLD_MAX_NUM_LINKS (15) entries.\n\nClamp the primary link id to the default link before using it, and use\nthe clamped value for the link_sta fallback as well."
}
],
"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/main.c"
],
"versions": [
{
"version": "1609b014aa29f9a2bf3aaa93f71de4a06725845e",
"lessThan": "637bb99cc766a858d744905e46638459ca128b6c",
"status": "affected",
"versionType": "git"
},
{
"version": "1609b014aa29f9a2bf3aaa93f71de4a06725845e",
"lessThan": "aff81505a84d27f83b4db8e039e813930cb23c2c",
"status": "affected",
"versionType": "git"
},
{
"version": "1609b014aa29f9a2bf3aaa93f71de4a06725845e",
"lessThan": "4330a0ef9f75a54fde3548432a9a698f06bab635",
"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/main.c"
],
"versions": [
{
"version": "6.18",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.18",
"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": "6.18",
"versionEndExcluding": "6.18.52"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.18",
"versionEndExcluding": "7.2.6"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.18",
"versionEndExcluding": "7.3"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/637bb99cc766a858d744905e46638459ca128b6c"
},
{
"url": "https://git.kernel.org/stable/c/aff81505a84d27f83b4db8e039e813930cb23c2c"
},
{
"url": "https://git.kernel.org/stable/c/4330a0ef9f75a54fde3548432a9a698f06bab635"
}
],
"title": "wifi: mt76: mt7996: fix out-of-bounds link array access in mt7996_tx()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}