{"id":"CVE-2026-98824","title":"kernel: wifi: mac80211: validate TX status rate metadata (CVE-2026-98824)","summary":"A flaw was found in the Linux kernel's mac80211 wireless subsystem. When processing transmission (TX) status reports, the subsystem fails to properly validate rate metadata before using it to index internal rate tables. Malformed metadata …","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":"CWE-787","vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","affected":["enterprise_linux 10","enterprise_linux 6","enterprise_linux 7","enterprise_linux 8","enterprise_linux 9","openshift_container_platform 4"],"published":"2026-10-18","updated":"2026-10-23","sourceUpdated":"2026-10-23T20:37:21+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98824.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98824.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-98824"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2555210"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98824"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98824"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98824.mbox"},{"url":"https://git.kernel.org/stable/c/b1961a61ab6fbe11f16f7f9b64c57a9908c6c3a8"},{"url":"https://git.kernel.org/stable/c/6bdcdb31318c10e6369cff8e5b32c37397e98091"}],"tags":["csaf","vex","red-hat","cve.org"],"epss":0.00189,"epssPercentile":0.08473,"ingestedAt":"2026-10-18T16:47:32.473Z","slug":"CVE-2026-98824","body":"## Overview\n\nA flaw was found in the Linux kernel's mac80211 wireless subsystem. When processing transmission (TX) status reports, the subsystem fails to properly validate rate metadata before using it to index internal rate tables. Malformed metadata can trigger an out-of-bounds memory access, potentially resulting in kernel memory corruption or a denial of service (DoS).\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, … · updated 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98824.json)\n\n**kernel: wifi: mac80211: validate TX status rate metadata** — rated Moderate by Red Hat. Released 2026-10-18, updated 2026-10-23.\n\nAffected:\n\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 6\n- Red Hat Enterprise Linux 7\n- Red Hat Enterprise Linux 8\n- Red Hat Enterprise Linux 9\n- Red Hat OpenShift Container Platform 4\n\nNo fix planned:\n\n- Red Hat Enterprise Linux 6\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 7\n- Red Hat Enterprise Linux 8\n- Red Hat Enterprise Linux 9\n- Red Hat OpenShift Container Platform 4\n\n## Remediation\n\nOut of support scope","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":228643,"id":"CVE-2026-98824","ts":1792844829715,"field":"cvss","old":null,"new":"5.3"},{"seq":228642,"id":"CVE-2026-98824","ts":1792844829715,"field":"severity","old":"none","new":"medium"}]}