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vuln-cve/data/2026/90xxx/CVE-2026-90369.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-90369",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-09-11T19:38:34.807Z",
"datePublished": "2026-09-17T16:09:10.738Z",
"dateUpdated": "2026-10-19T09:02:28.270Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-19T09:02:28.270Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: fix out-of-bounds access in mmio copy helpers\n\nmt76_mmio_write_copy() and mt76_mmio_read_copy() iterate up to\nALIGN(len, 4), so a length that is not a multiple of four reads past the\nsource buffer (write_copy) or writes past the destination (read_copy).\nCopy the aligned body in the loop and handle the remaining tail through a\n4-byte bounce buffer, keeping the register access width unchanged."
}
],
"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/mmio.c"
],
"versions": [
{
"version": "2df00805f7dbaa46b60c682aad0d76270b7ba266",
"lessThan": "6ed0fba58bb125a8d8de96e391aa86111166efca",
"status": "affected",
"versionType": "git"
},
{
"version": "2df00805f7dbaa46b60c682aad0d76270b7ba266",
"lessThan": "6689b4a65e88d7b019e687fa9d6943ca070f3e43",
"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/mmio.c"
],
"versions": [
{
"version": "6.19",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.19",
"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": "6.19",
"versionEndExcluding": "7.2.6"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.19",
"versionEndExcluding": "7.3"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/6ed0fba58bb125a8d8de96e391aa86111166efca"
},
{
"url": "https://git.kernel.org/stable/c/6689b4a65e88d7b019e687fa9d6943ca070f3e43"
}
],
"title": "wifi: mt76: fix out-of-bounds access in mmio copy helpers",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}