{"id":"CVE-2026-93799","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: validate sta_id in BA window status notif\n\nBA_WINDOW_STATUS_NOTIFICATION_ID extracts a 5-bit sta_id from the\nfirmware notification and uses it to in…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: validate sta_id in BA window status notif\n\nBA_WINDOW_STATUS_NOTIFICATION_ID extracts a 5-bit sta_id from the\nfirmware notification and uses it to in…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= 3af512d6aac7eb6420086f124abb4426f5f4b369 < f9938eb95e2ddab4a58d3946a320abcbd60b56a4","Linux >= 3af512d6aac7eb6420086f124abb4426f5f4b369 < bb08fbbbd5568d33069485ecb0a1657f115a4e9f","Linux >= 3af512d6aac7eb6420086f124abb4426f5f4b369 < e35ae757c6462bfd3437bf58121bb721fe1f790c","Linux >= 3af512d6aac7eb6420086f124abb4426f5f4b369 < 6aa77efaea9efea92e3090c35ad348fd759a3cf3","Linux 4.6"],"published":"2026-09-24","updated":"2026-10-03","sourceUpdated":"2026-10-03T11:17:49.483","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93799","references":[{"url":"https://git.kernel.org/stable/c/6aa77efaea9efea92e3090c35ad348fd759a3cf3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bb08fbbbd5568d33069485ecb0a1657f115a4e9f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e35ae757c6462bfd3437bf58121bb721fe1f790c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f9938eb95e2ddab4a58d3946a320abcbd60b56a4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93799.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-93799"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2540504"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93799"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93799"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-93799.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"epss":0.00241,"epssPercentile":0.15217,"ingestedAt":"2026-09-24T16:47:15.899Z","cwe":["CWE-125"],"scores":{"nvd":8.8,"vendor":5.5},"slug":"CVE-2026-93799","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: validate sta_id in BA window status notif\n\nBA_WINDOW_STATUS_NOTIFICATION_ID extracts a 5-bit sta_id from the\nfirmware notification and uses it to index fw_id_to_mac_id[] without\nbounds checking. Validate sta_id before array access to prevent\nout-of-bounds indexing.\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 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-10-17 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93799.json)","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":210553,"id":"CVE-2026-93799","ts":1790316054735,"field":"cvss","old":null,"new":"8.8"},{"seq":210552,"id":"CVE-2026-93799","ts":1790316054735,"field":"severity","old":"none","new":"high"}]}