{"id":"CVE-2026-93788","state":"PUBLISHED","title":"wifi: iwlwifi: acpi: validate WGDS table revision index","description":"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 value.","publishedAt":"2026-09-24T16:02:21.751Z","updatedAt":"2026-10-03T10:57:23.599Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"97f8a3d1610b1f50013de1e632b007cbfd7459d8","status":"affected","lessThan":"4f2ec7a0b3ff148cb13e14cb26ac43523df8b9f5","versionType":"git"},{"version":"97f8a3d1610b1f50013de1e632b007cbfd7459d8","status":"affected","lessThan":"9096509e63ddd349eb075ec447d1a714e87e17a4","versionType":"git"},{"version":"97f8a3d1610b1f50013de1e632b007cbfd7459d8","status":"affected","lessThan":"2fc98ab6fe8acabd13eb09dc17426a33cf9f27f7","versionType":"git"},{"version":"97f8a3d1610b1f50013de1e632b007cbfd7459d8","status":"affected","lessThan":"346a558491241cbe8fef82b3d8f62d1a6b6bf61f","versionType":"git"},{"version":"97f8a3d1610b1f50013de1e632b007cbfd7459d8","status":"affected","lessThan":"954e821f42aaca56073ca830c5fd4bcf1a89048c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/intel/iwlwifi/fw/acpi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/intel/iwlwifi/fw/acpi.c"]}],"references":["https://git.kernel.org/stable/c/4f2ec7a0b3ff148cb13e14cb26ac43523df8b9f5","https://git.kernel.org/stable/c/9096509e63ddd349eb075ec447d1a714e87e17a4","https://git.kernel.org/stable/c/2fc98ab6fe8acabd13eb09dc17426a33cf9f27f7","https://git.kernel.org/stable/c/346a558491241cbe8fef82b3d8f62d1a6b6bf61f","https://git.kernel.org/stable/c/954e821f42aaca56073ca830c5fd4bcf1a89048c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93788.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93788","state":"PUBLISHED","datePublished":"2026-09-24T16:02:21.751Z","dateUpdated":"2026-10-03T10:57:23.599Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-18T17:59:28.788Z"},"containers":{"cna":{"title":"wifi: iwlwifi: acpi: validate WGDS table revision index","descriptions":[{"lang":"en","value":"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 value."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"97f8a3d1610b1f50013de1e632b007cbfd7459d8","status":"affected","lessThan":"4f2ec7a0b3ff148cb13e14cb26ac43523df8b9f5","versionType":"git"},{"version":"97f8a3d1610b1f50013de1e632b007cbfd7459d8","status":"affected","lessThan":"9096509e63ddd349eb075ec447d1a714e87e17a4","versionType":"git"},{"version":"97f8a3d1610b1f50013de1e632b007cbfd7459d8","status":"affected","lessThan":"2fc98ab6fe8acabd13eb09dc17426a33cf9f27f7","versionType":"git"},{"version":"97f8a3d1610b1f50013de1e632b007cbfd7459d8","status":"affected","lessThan":"346a558491241cbe8fef82b3d8f62d1a6b6bf61f","versionType":"git"},{"version":"97f8a3d1610b1f50013de1e632b007cbfd7459d8","status":"affected","lessThan":"954e821f42aaca56073ca830c5fd4bcf1a89048c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/intel/iwlwifi/fw/acpi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/intel/iwlwifi/fw/acpi.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4f2ec7a0b3ff148cb13e14cb26ac43523df8b9f5"},{"url":"https://git.kernel.org/stable/c/9096509e63ddd349eb075ec447d1a714e87e17a4"},{"url":"https://git.kernel.org/stable/c/2fc98ab6fe8acabd13eb09dc17426a33cf9f27f7"},{"url":"https://git.kernel.org/stable/c/346a558491241cbe8fef82b3d8f62d1a6b6bf61f"},{"url":"https://git.kernel.org/stable/c/954e821f42aaca56073ca830c5fd4bcf1a89048c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-03T10:57:23.599Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}