{"id":"CVE-2026-98350","title":"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","summary":"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 i…","severity":"high","vendor":"Linux","product":"Linux","affected":["Linux >= 66f909308a7c05082919ff214a0bbe2a76aa0283 < c2cf589c7d546557ed60c43f2ec014279265dfbf","Linux >= 66f909308a7c05082919ff214a0bbe2a76aa0283 < 6fba6233e9ca7718661e53555a3961c58772c21a","Linux >= 66f909308a7c05082919ff214a0bbe2a76aa0283 < e2de8d5eb2984416affdd9559e55f37c7f1bbf47","Linux 6.16"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T09:18:28.283","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98350","references":[{"url":"https://git.kernel.org/stable/c/6fba6233e9ca7718661e53555a3961c58772c21a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c2cf589c7d546557ed60c43f2ec014279265dfbf","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e2de8d5eb2984416affdd9559e55f37c7f1bbf47","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98350.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-98350"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2546492"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98350"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98350"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98350.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-10-06T08:50:17.398Z","cvss":7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"vendor","cwe":["CWE-908"],"epss":0.00188,"epssPercentile":0.0836,"slug":"CVE-2026-98350","body":"## Overview\n\nIn 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).\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-10-10 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98350.json)","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":38.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":219127,"id":"CVE-2026-98350","ts":1791707069315,"field":"cvss","old":null,"new":"7"},{"seq":219126,"id":"CVE-2026-98350","ts":1791707069315,"field":"severity","old":"none","new":"high"}]}