{"id":"CVE-2026-93789","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: bound aligned TLV advance in FW parser\n\nValidate ALIGN(tlv_len, 4) against remaining parser length before\nconsuming bytes from the firmware image.\n\nThis …","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: bound aligned TLV advance in FW parser\n\nValidate ALIGN(tlv_len, 4) against remaining parser length before\nconsuming bytes from the firmware image.\n\nThis …","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= dd7a2509b3a79b290730a9c6a784bf03fedabb9a < 61da42fdd21d98ccb8f1ec5224659f3d09202cf4","Linux >= dd7a2509b3a79b290730a9c6a784bf03fedabb9a < 8c332d45b736d41301b7e07f322785d821265dbc","Linux >= dd7a2509b3a79b290730a9c6a784bf03fedabb9a < ce709fcab5e1d4df6d4ba980736dc5908502a40f","Linux >= dd7a2509b3a79b290730a9c6a784bf03fedabb9a < 4cfadb2e01566bc36d42922fbe18838345087050","Linux >= dd7a2509b3a79b290730a9c6a784bf03fedabb9a < 528fa9eb14c209533ca26958b76da55e0ce239d8","Linux >= dd7a2509b3a79b290730a9c6a784bf03fedabb9a < 7aa9097623afb694bc25382a62e14d8e82bf002f","Linux >= dd7a2509b3a79b290730a9c6a784bf03fedabb9a < acad742714bdc70e7fd7f234323807c596828213","Linux 2.6.35"],"published":"2026-09-24","updated":"2026-10-03","sourceUpdated":"2026-10-03T11:17:48.563","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93789","references":[{"url":"https://git.kernel.org/stable/c/4cfadb2e01566bc36d42922fbe18838345087050","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/528fa9eb14c209533ca26958b76da55e0ce239d8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/61da42fdd21d98ccb8f1ec5224659f3d09202cf4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7aa9097623afb694bc25382a62e14d8e82bf002f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8c332d45b736d41301b7e07f322785d821265dbc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/acad742714bdc70e7fd7f234323807c596828213","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ce709fcab5e1d4df6d4ba980736dc5908502a40f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93789.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-93789"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2540405"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93789"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93789"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-93789.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00173,"epssPercentile":0.0662,"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-191"],"slug":"CVE-2026-93789","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: bound aligned TLV advance in FW parser\n\nValidate ALIGN(tlv_len, 4) against remaining parser length before\nconsuming bytes from the firmware image.\n\nThis avoids length underflow on malformed TLVs.\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 7, 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 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, … · updated 2026-10-17 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93789.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":224306,"id":"CVE-2026-93789","ts":1792325081305,"field":"cvss","old":null,"new":"5.5"},{"seq":224305,"id":"CVE-2026-93789","ts":1792325081305,"field":"severity","old":"none","new":"medium"}]}