{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68406", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.390Z", "datePublished": "2026-08-10T12:04:26.251Z", "dateUpdated": "2026-08-10T12:04:26.251Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-10T12:04:26.251Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: validate PMSR FTM preamble range\n\nPMSR FTM request parsing accepts preamble values outside the\nenumerated nl80211 preamble range.\n\nReject out-of-range values before using them in the parser capability\nbit test using the policy.\n\n[drop unnecessary check]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/wireless/nl80211.c"], "versions": [{"version": "9bb7e0f24e7e7d00daa1219b14539e2e602649b2", "lessThan": "44ea65d779e2d23b2264fea6af2d0c666a3ec9fb", "status": "affected", "versionType": "git"}, {"version": "9bb7e0f24e7e7d00daa1219b14539e2e602649b2", "lessThan": "922d71fbaf99c1d5318151a0cb0a42ad448d07d9", "status": "affected", "versionType": "git"}, {"version": "9bb7e0f24e7e7d00daa1219b14539e2e602649b2", "lessThan": "cfbda103aeae61071a122a6fc2bfe98cffbd7165", "status": "affected", "versionType": "git"}, {"version": "9bb7e0f24e7e7d00daa1219b14539e2e602649b2", "lessThan": "58320cb47df2accc7a20bb72c0150280732fa58f", "status": "affected", "versionType": "git"}, {"version": "9bb7e0f24e7e7d00daa1219b14539e2e602649b2", "lessThan": "36230936468f0ba4930e94aef496fc229d4bb951", "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/nl80211.c"], "versions": [{"version": "5.0", "status": "affected"}, {"version": "0", "lessThan": "5.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.148", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.101", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.6", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc4", "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": "5.0", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "7.2-rc4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/44ea65d779e2d23b2264fea6af2d0c666a3ec9fb"}, {"url": "https://git.kernel.org/stable/c/922d71fbaf99c1d5318151a0cb0a42ad448d07d9"}, {"url": "https://git.kernel.org/stable/c/cfbda103aeae61071a122a6fc2bfe98cffbd7165"}, {"url": "https://git.kernel.org/stable/c/58320cb47df2accc7a20bb72c0150280732fa58f"}, {"url": "https://git.kernel.org/stable/c/36230936468f0ba4930e94aef496fc229d4bb951"}], "title": "wifi: cfg80211: validate PMSR FTM preamble range", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/wireless/nl80211.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "44ea65d779e2d23b2264fea6af2d0c666a3ec9fb", "status": "affected", "version": "9bb7e0f24e7e7d00daa1219b14539e2e602649b2", "versionType": "git"}, {"lessThan": "922d71fbaf99c1d5318151a0cb0a42ad448d07d9", "status": "affected", "version": "9bb7e0f24e7e7d00daa1219b14539e2e602649b2", "versionType": "git"}, {"lessThan": "cfbda103aeae61071a122a6fc2bfe98cffbd7165", "status": "affected", "version": "9bb7e0f24e7e7d00daa1219b14539e2e602649b2", "versionType": "git"}, {"lessThan": "58320cb47df2accc7a20bb72c0150280732fa58f", "status": "affected", "version": "9bb7e0f24e7e7d00daa1219b14539e2e602649b2", "versionType": "git"}, {"lessThan": "36230936468f0ba4930e94aef496fc229d4bb951", "status": "affected", "version": "9bb7e0f24e7e7d00daa1219b14539e2e602649b2", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/wireless/nl80211.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.0"}, {"lessThan": "5.0", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.148", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.101", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.42", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2-rc4", "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: cfg80211: validate PMSR FTM preamble range\n\nPMSR FTM request parsing accepts preamble values outside the\nenumerated nl80211 preamble range.\n\nReject out-of-range values before using them in the parser capability\nbit test using the policy.\n\n[drop unnecessary check]"}], "id": "CVE-2026-68406", "lastModified": "2026-08-10T13:20:34.180", "metrics": {}, "published": "2026-08-10T13:20:34.180", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/36230936468f0ba4930e94aef496fc229d4bb951"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/44ea65d779e2d23b2264fea6af2d0c666a3ec9fb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/58320cb47df2accc7a20bb72c0150280732fa58f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/922d71fbaf99c1d5318151a0cb0a42ad448d07d9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cfbda103aeae61071a122a6fc2bfe98cffbd7165"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel cfg80211: Input validation flaw in Wi-Fi PMSR FTM parsing", "id": "2513324", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513324"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-839", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: cfg80211: validate PMSR FTM preamble range\nPMSR FTM request parsing accepts preamble values outside the\nenumerated nl80211 preamble range.\nReject out-of-range values before using them in the parser capability\nbit test using the policy.\n[drop unnecessary check]", "A flaw was found in the `cfg80211` component of the Linux kernel's Wi-Fi subsystem. This vulnerability allows the PMSR FTM request parser to accept preamble values outside the defined `nl80211` range. An attacker could exploit this by providing malformed input, potentially leading to unexpected system behavior or resource exhaustion."], "name": "CVE-2026-68406", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:enterprise_linux_nvidia:", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux for NVIDIA 26"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-08-10T12:04:26Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68406\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68406\nhttps://git.kernel.org/stable/c/36230936468f0ba4930e94aef496fc229d4bb951\nhttps://git.kernel.org/stable/c/44ea65d779e2d23b2264fea6af2d0c666a3ec9fb\nhttps://git.kernel.org/stable/c/58320cb47df2accc7a20bb72c0150280732fa58f\nhttps://git.kernel.org/stable/c/922d71fbaf99c1d5318151a0cb0a42ad448d07d9\nhttps://git.kernel.org/stable/c/cfbda103aeae61071a122a6fc2bfe98cffbd7165"], "threat_severity": "Important"}