{"id":"CVE-2026-93788","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: acpi: validate WGDS table revision index\n\nCheck tbl_rev bounds before BIT(tbl_rev) to avoid undefined shifts when\nfirmware reports an invalid revision va…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: acpi: validate WGDS table revision index\n\nCheck tbl_rev bounds before BIT(tbl_rev) to avoid undefined shifts when\nfirmware reports an invalid revision va…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= 97f8a3d1610b1f50013de1e632b007cbfd7459d8 < 4f2ec7a0b3ff148cb13e14cb26ac43523df8b9f5","Linux >= 97f8a3d1610b1f50013de1e632b007cbfd7459d8 < 9096509e63ddd349eb075ec447d1a714e87e17a4","Linux >= 97f8a3d1610b1f50013de1e632b007cbfd7459d8 < 2fc98ab6fe8acabd13eb09dc17426a33cf9f27f7","Linux >= 97f8a3d1610b1f50013de1e632b007cbfd7459d8 < 346a558491241cbe8fef82b3d8f62d1a6b6bf61f","Linux >= 97f8a3d1610b1f50013de1e632b007cbfd7459d8 < 954e821f42aaca56073ca830c5fd4bcf1a89048c","Linux 5.16"],"published":"2026-09-24","updated":"2026-10-03","sourceUpdated":"2026-10-03T11:17:48.457","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93788","references":[{"url":"https://git.kernel.org/stable/c/2fc98ab6fe8acabd13eb09dc17426a33cf9f27f7","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/346a558491241cbe8fef82b3d8f62d1a6b6bf61f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4f2ec7a0b3ff148cb13e14cb26ac43523df8b9f5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9096509e63ddd349eb075ec447d1a714e87e17a4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/954e821f42aaca56073ca830c5fd4bcf1a89048c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93788.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-93788"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2540473"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93788"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93788"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-93788.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00168,"epssPercentile":0.06056,"ingestedAt":"2026-09-24T16:47:15.903Z","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-1335"],"slug":"CVE-2026-93788","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: acpi: validate WGDS table revision index\n\nCheck tbl_rev bounds before BIT(tbl_rev) to avoid undefined shifts when\nfirmware reports an invalid revision value.\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** · Low · 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-2026-93788.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":224221,"id":"CVE-2026-93788","ts":1792325022564,"field":"cvss","old":null,"new":"5.5"},{"seq":224220,"id":"CVE-2026-93788","ts":1792325022564,"field":"severity","old":"none","new":"medium"}]}