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vuln-cve/data/2026/98xxx/CVE-2026-98830.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-98830",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-09-25T10:25:14.372Z",
"datePublished": "2026-10-18T15:49:31.843Z",
"dateUpdated": "2026-10-30T12:40:02.347Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-30T12:40:02.347Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wfx: validate MIB read length before copying to caller\n\nwfx_hif_read_mib() copies reply->length bytes from the firmware\nresponse into the caller-provided buffer without checking that\nreply->length does not exceed val_len. A firmware response with\na length field larger than expected overruns the caller buffer and\nreads past the end of the reply allocation.\n\nReplace the dead -ENOMEM check with an active validation that\nreply->length fits within val_len before the memcpy."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/wireless/silabs/wfx/hif_tx.c"
],
"versions": [
{
"version": "f95a29d40782f4f0052a692a822de3ba044b19ff",
"lessThan": "b8310b55e53622a393d14af4939f620c1828778b",
"status": "affected",
"versionType": "git"
},
{
"version": "f95a29d40782f4f0052a692a822de3ba044b19ff",
"lessThan": "819d4c1323e2a9b7329021d5367aa01add22b5dc",
"status": "affected",
"versionType": "git"
},
{
"version": "f95a29d40782f4f0052a692a822de3ba044b19ff",
"lessThan": "02886c18a340da59df57365f29009e1258bfe333",
"status": "affected",
"versionType": "git"
},
{
"version": "f95a29d40782f4f0052a692a822de3ba044b19ff",
"lessThan": "71d140099165de03128c00dd129f1eab21c6a3c4",
"status": "affected",
"versionType": "git"
},
{
"version": "f95a29d40782f4f0052a692a822de3ba044b19ff",
"lessThan": "7acb36fd60a3e7b858f12e69a919c3609b281408",
"status": "affected",
"versionType": "git"
},
{
"version": "f95a29d40782f4f0052a692a822de3ba044b19ff",
"lessThan": "ce67ebe9d8629776ce38e6995ae72fb903c828db",
"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/silabs/wfx/hif_tx.c"
],
"versions": [
{
"version": "5.5",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.5",
"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": "6.12.113",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.56",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.2.10",
"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": "5.5",
"versionEndExcluding": "6.1.191"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.5",
"versionEndExcluding": "6.6.160"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.5",
"versionEndExcluding": "6.12.113"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.5",
"versionEndExcluding": "6.18.56"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.5",
"versionEndExcluding": "7.2.10"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.5",
"versionEndExcluding": "7.3"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/b8310b55e53622a393d14af4939f620c1828778b"
},
{
"url": "https://git.kernel.org/stable/c/819d4c1323e2a9b7329021d5367aa01add22b5dc"
},
{
"url": "https://git.kernel.org/stable/c/02886c18a340da59df57365f29009e1258bfe333"
},
{
"url": "https://git.kernel.org/stable/c/71d140099165de03128c00dd129f1eab21c6a3c4"
},
{
"url": "https://git.kernel.org/stable/c/7acb36fd60a3e7b858f12e69a919c3609b281408"
},
{
"url": "https://git.kernel.org/stable/c/ce67ebe9d8629776ce38e6995ae72fb903c828db"
}
],
"title": "wifi: wfx: validate MIB read length before copying to caller",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}