CVE-2026-93788 (GCVE-0-2026-93788)
Vulnerability from cvelistv5
Published
2026-09-24 16:02
Modified
2026-10-03 10:57
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: acpi: validate WGDS table revision index Check tbl_rev bounds before BIT(tbl_rev) to avoid undefined shifts when firmware reports an invalid revision value.
References
Impacted products
Vendor Product Version
Linux Linux Version: 97f8a3d1610b1f50013de1e632b007cbfd7459d8
Version: 97f8a3d1610b1f50013de1e632b007cbfd7459d8
Version: 97f8a3d1610b1f50013de1e632b007cbfd7459d8
Version: 97f8a3d1610b1f50013de1e632b007cbfd7459d8
Version: 97f8a3d1610b1f50013de1e632b007cbfd7459d8
 Create a notification for this product.
Show details on NVD website

To clipboard 

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


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.