CVE-2026-98350

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98350", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.343Z", "datePublished": "2026-10-06T08:46:38.525Z", "dateUpdated": "2026-10-19T09:18:01.119Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:18:01.119Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: cyw: pass PMKID to firmware if present\n\nZero out auth_status on initialization. Otherwise, garbage will\nleak from the stack to the firmware (when ssid is less than 32 bytes\nand/or when params->pmkid is set). Then, pass the params->pmkid to the\nfirmware (without it, the firmware caches a garbage PMKID on successful\nauthentication and denies a subsequent association request that includes\nthe PMKID)."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/broadcom/brcm80211/brcmfmac/cyw/core.c"], "versions": [{"version": "66f909308a7c05082919ff214a0bbe2a76aa0283", "lessThan": "c2cf589c7d546557ed60c43f2ec014279265dfbf", "status": "affected", "versionType": "git"}, {"version": "66f909308a7c05082919ff214a0bbe2a76aa0283", "lessThan": "6fba6233e9ca7718661e53555a3961c58772c21a", "status": "affected", "versionType": "git"}, {"version": "66f909308a7c05082919ff214a0bbe2a76aa0283", "lessThan": "e2de8d5eb2984416affdd9559e55f37c7f1bbf47", "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/broadcom/brcm80211/brcmfmac/cyw/core.c"], "versions": [{"version": "6.16", "status": "affected"}, {"version": "0", "lessThan": "6.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.54", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.8", "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": "6.16", "versionEndExcluding": "6.18.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "7.2.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c2cf589c7d546557ed60c43f2ec014279265dfbf"}, {"url": "https://git.kernel.org/stable/c/6fba6233e9ca7718661e53555a3961c58772c21a"}, {"url": "https://git.kernel.org/stable/c/e2de8d5eb2984416affdd9559e55f37c7f1bbf47"}], "title": "wifi: brcmfmac: cyw: pass PMKID to firmware if present", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/broadcom/brcm80211/brcmfmac/cyw/core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c2cf589c7d546557ed60c43f2ec014279265dfbf", "status": "affected", "version": "66f909308a7c05082919ff214a0bbe2a76aa0283", "versionType": "git"}, {"lessThan": "6fba6233e9ca7718661e53555a3961c58772c21a", "status": "affected", "version": "66f909308a7c05082919ff214a0bbe2a76aa0283", "versionType": "git"}, {"lessThan": "e2de8d5eb2984416affdd9559e55f37c7f1bbf47", "status": "affected", "version": "66f909308a7c05082919ff214a0bbe2a76aa0283", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/broadcom/brcm80211/brcmfmac/cyw/core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.16"}, {"lessThan": "6.16", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.54", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.8", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "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: brcmfmac: cyw: pass PMKID to firmware if present\n\nZero out auth_status on initialization. Otherwise, garbage will\nleak from the stack to the firmware (when ssid is less than 32 bytes\nand/or when params->pmkid is set). Then, pass the params->pmkid to the\nfirmware (without it, the firmware caches a garbage PMKID on successful\nauthentication and denies a subsequent association request that includes\nthe PMKID)."}], "id": "CVE-2026-98350", "lastModified": "2026-10-19T10:18:37.673", "metrics": {}, "published": "2026-10-06T09:18:28.283", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6fba6233e9ca7718661e53555a3961c58772c21a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c2cf589c7d546557ed60c43f2ec014279265dfbf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e2de8d5eb2984416affdd9559e55f37c7f1bbf47"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: wifi: brcmfmac: cyw: pass PMKID to firmware if present", "id": "2546492", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2546492"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-908", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: brcmfmac: cyw: pass PMKID to firmware if present\nZero out auth_status on initialization. Otherwise, garbage will\nleak from the stack to the firmware (when ssid is less than 32 bytes\nand/or when params->pmkid is set). Then, pass the params->pmkid to the\nfirmware (without it, the firmware caches a garbage PMKID on successful\nauthentication and denies a subsequent association request that includes\nthe PMKID).", "A flaw was found in the Linux kernel's Broadcom FullMAC (brcmfmac) wireless driver. During external Wi-Fi authentication, an uninitialized data structure can leak sensitive kernel stack memory directly to the device firmware when processing short network names or key identifiers. A local user or an untrusted wireless network could trigger this condition during authentication, leading to information disclosure or causing subsequent connection attempts to fail, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-98350", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "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": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98350\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98350\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98350.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[66f909308a7c05082919ff214a0bbe2a76aa0283,c2cf589c7d546557ed60c43f2ec014279265dfbf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[66f909308a7c05082919ff214a0bbe2a76aa0283,6fba6233e9ca7718661e53555a3961c58772c21a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[66f909308a7c05082919ff214a0bbe2a76aa0283,e2de8d5eb2984416affdd9559e55f37c7f1bbf47)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.16"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.16)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.54,6.19.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.8,7.3.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc4,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-10-06T15:45:02.272355+00:00", "updated": "2026-10-11T05:30:17.272555+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}