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vuln-cve/data/2026/97xxx/CVE-2026-97518.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-97518",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-09-24T16:01:01.152Z",
"datePublished": "2026-09-24T16:05:18.072Z",
"dateUpdated": "2026-10-30T12:37:09.335Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-30T12:37:09.335Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: reject duplicate wiphy cipher suite entries\n\nDuplicate entries in wiphy->cipher_suites do not describe any\nadditional capability, but cfg80211 currently accepts them and leaves\nindividual consumers to deal with them.\n\nOne such consumer is the WEXT compatibility code, which appends a WEP\nkey length for each WEP cipher entry it sees. Repeated WEP entries can\ntherefore overflow the fixed iw_range::encoding_size array returned by\nSIOCGIWRANGE.\n\nReject duplicate cipher suite entries in wiphy_register() instead.\nThis keeps the cipher suite invariant in one place and makes malformed\nwiphy descriptions fail early with -EINVAL, rather than relying on a\nsingle cfg80211 user to handle duplicates correctly."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/wireless/core.c"
],
"versions": [
{
"version": "2ab658f9ce218ae93b3d2db2b3fe68bfefb81196",
"lessThan": "539d7f795bf0c41fb533c99e6010cdfaf5a1b6a6",
"status": "affected",
"versionType": "git"
},
{
"version": "2ab658f9ce218ae93b3d2db2b3fe68bfefb81196",
"lessThan": "d12e92e72db914e1ea777c6f246f6be75985438e",
"status": "affected",
"versionType": "git"
},
{
"version": "2ab658f9ce218ae93b3d2db2b3fe68bfefb81196",
"lessThan": "1305f8b925fe92edf5fec183588dfc7db719180b",
"status": "affected",
"versionType": "git"
},
{
"version": "2ab658f9ce218ae93b3d2db2b3fe68bfefb81196",
"lessThan": "4cbb2360f4d8c29e67bc7a8bf6ba0ae096583923",
"status": "affected",
"versionType": "git"
},
{
"version": "2ab658f9ce218ae93b3d2db2b3fe68bfefb81196",
"lessThan": "7187d145d9042b037e4f10538f70cf95e380219f",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/wireless/core.c"
],
"versions": [
{
"version": "2.6.32",
"status": "affected"
},
{
"version": "0",
"lessThan": "2.6.32",
"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": "6.12.111",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.53",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.2",
"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": "2.6.32",
"versionEndExcluding": "6.1.191"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.32",
"versionEndExcluding": "6.6.160"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.32",
"versionEndExcluding": "6.12.111"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.32",
"versionEndExcluding": "6.18.53"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.32",
"versionEndExcluding": "7.2"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/539d7f795bf0c41fb533c99e6010cdfaf5a1b6a6"
},
{
"url": "https://git.kernel.org/stable/c/d12e92e72db914e1ea777c6f246f6be75985438e"
},
{
"url": "https://git.kernel.org/stable/c/1305f8b925fe92edf5fec183588dfc7db719180b"
},
{
"url": "https://git.kernel.org/stable/c/4cbb2360f4d8c29e67bc7a8bf6ba0ae096583923"
},
{
"url": "https://git.kernel.org/stable/c/7187d145d9042b037e4f10538f70cf95e380219f"
}
],
"title": "wifi: cfg80211: reject duplicate wiphy cipher suite entries",
"x_generator": {
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}
}
}