{"id":"CVE-2026-93791","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: add a check on the tid coming from the firmware\n\nba_notif->tid is a firmware-controlled u8 that is used directly\nas an array index into tid_data[] w…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: add a check on the tid coming from the firmware\n\nba_notif->tid is a firmware-controlled u8 that is used directly\nas an array index into tid_data[] w…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= c46e7724bfe9bbff17bc468903a757248b99e4ed < 0f690fd3b5535d110898b99ae6214f29c9060941","Linux >= c46e7724bfe9bbff17bc468903a757248b99e4ed < 0b5325a0771674f1d65618de7db3df9d49186a12","Linux >= c46e7724bfe9bbff17bc468903a757248b99e4ed < 59f64c2839022f41a7867b38f9e38c185ff39283","Linux >= c46e7724bfe9bbff17bc468903a757248b99e4ed < 0e4c0d83267261cf67ec9690856edf4a56bb7dfc","Linux 4.9"],"published":"2026-09-24","updated":"2026-10-03","sourceUpdated":"2026-10-03T11:17:48.800","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93791","references":[{"url":"https://git.kernel.org/stable/c/0b5325a0771674f1d65618de7db3df9d49186a12","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/0e4c0d83267261cf67ec9690856edf4a56bb7dfc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/0f690fd3b5535d110898b99ae6214f29c9060941","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/59f64c2839022f41a7867b38f9e38c185ff39283","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93791.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-93791"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2540505"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93791"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93791"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-93791.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00168,"epssPercentile":0.06047,"ingestedAt":"2026-09-24T16:47:15.902Z","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-125"],"slug":"CVE-2026-93791","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: add a check on the tid coming from the firmware\n\nba_notif->tid is a firmware-controlled u8 that is used directly\nas an array index into tid_data[] without any validation. Add a\nbounds check against IWL_MAX_TID_COUNT before dereferencing the\narray.\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-2026-93791.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":224302,"id":"CVE-2026-93791","ts":1792325078687,"field":"cvss","old":null,"new":"5.5"},{"seq":224301,"id":"CVE-2026-93791","ts":1792325078687,"field":"severity","old":"none","new":"medium"}]}