Vulnerability-Lookup

GHSA-55WX-2W5G-RCRG

Vulnerability from github – Published: 2026-08-12 00:31 – Updated: 2026-08-12 00:31

Details

In the Linux kernel, the following vulnerability has been resolved:

drm/vmwgfx: Validate vmw_surface_metadata::array_size

This field comes from userspace and should be validated against specific limits depending on which Shader Model (SM) is available.

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-68446"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-12T00:17:44Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vmwgfx: Validate vmw_surface_metadata::array_size\n\nThis field comes from userspace and should be validated against specific\nlimits depending on which Shader Model (SM) is available.",
  "id": "GHSA-55wx-2w5g-rcrg",
  "modified": "2026-08-12T00:31:13Z",
  "published": "2026-08-12T00:31:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-68446"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5ff94e1279176b539d451e3e754fdcbd1a8d520a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6910ccaf41678f7761ba2e57d72b77d056320b4d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/71779fe8bf403a9b3e28dc59229fa556db32d35d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a4f55260f7f7d4dc4d0ee55063dfb0c457b77991"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b1379f0c42b88cb60b9f3757eb5d1e73ad460ed8"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-68446 (GCVE-0-2026-68446)

Vulnerability from cvelistv5 – Published: 2026-08-12 00:07 – Updated: 2026-08-12 00:07

Title

drm/vmwgfx: Validate vmw_surface_metadata::array_size

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validate vmw_surface_metadata::array_size This field comes from userspace and should be validated against specific limits depending on which Shader Model (SM) is available.

Severity

No CVSS data available.

Assigner

Linux

References

5 references

URL	Tags
https://git.kernel.org/stable/c/5ff94e1279176b539…
https://git.kernel.org/stable/c/71779fe8bf403a9b3…
https://git.kernel.org/stable/c/b1379f0c42b88cb60…
https://git.kernel.org/stable/c/6910ccaf41678f776…
https://git.kernel.org/stable/c/a4f55260f7f7d4dc4…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 504901dbb0b565fcbe466b0c56f3131586df5afd , < 5ff94e1279176b539d451e3e754fdcbd1a8d520a (git) Affected: 504901dbb0b565fcbe466b0c56f3131586df5afd , < 71779fe8bf403a9b3e28dc59229fa556db32d35d (git) Affected: 504901dbb0b565fcbe466b0c56f3131586df5afd , < b1379f0c42b88cb60b9f3757eb5d1e73ad460ed8 (git) Affected: 504901dbb0b565fcbe466b0c56f3131586df5afd , < 6910ccaf41678f7761ba2e57d72b77d056320b4d (git) Affected: 504901dbb0b565fcbe466b0c56f3131586df5afd , < a4f55260f7f7d4dc4d0ee55063dfb0c457b77991 (git)
Linux	Linux	Affected: 5.7 Unaffected: 0 , < 5.7 (semver) Unaffected: 6.6.148 , ≤ 6.6.* (semver) Unaffected: 6.12.101 , ≤ 6.12.* (semver) Unaffected: 6.18.42 , ≤ 6.18.* (semver) Unaffected: 7.1.6 , ≤ 7.1.* (semver) Unaffected: 7.2-rc5 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/vmwgfx/vmwgfx_surface.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "5ff94e1279176b539d451e3e754fdcbd1a8d520a",
              "status": "affected",
              "version": "504901dbb0b565fcbe466b0c56f3131586df5afd",
              "versionType": "git"
            },
            {
              "lessThan": "71779fe8bf403a9b3e28dc59229fa556db32d35d",
              "status": "affected",
              "version": "504901dbb0b565fcbe466b0c56f3131586df5afd",
              "versionType": "git"
            },
            {
              "lessThan": "b1379f0c42b88cb60b9f3757eb5d1e73ad460ed8",
              "status": "affected",
              "version": "504901dbb0b565fcbe466b0c56f3131586df5afd",
              "versionType": "git"
            },
            {
              "lessThan": "6910ccaf41678f7761ba2e57d72b77d056320b4d",
              "status": "affected",
              "version": "504901dbb0b565fcbe466b0c56f3131586df5afd",
              "versionType": "git"
            },
            {
              "lessThan": "a4f55260f7f7d4dc4d0ee55063dfb0c457b77991",
              "status": "affected",
              "version": "504901dbb0b565fcbe466b0c56f3131586df5afd",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/vmwgfx/vmwgfx_surface.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.7"
            },
            {
              "lessThan": "5.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.148",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.101",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.42",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2-rc5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.148",
                  "versionStartIncluding": "5.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.101",
                  "versionStartIncluding": "5.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.42",
                  "versionStartIncluding": "5.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.6",
                  "versionStartIncluding": "5.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2-rc5",
                  "versionStartIncluding": "5.7",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vmwgfx: Validate vmw_surface_metadata::array_size\n\nThis field comes from userspace and should be validated against specific\nlimits depending on which Shader Model (SM) is available."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-12T00:07:37.385Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/5ff94e1279176b539d451e3e754fdcbd1a8d520a"
        },
        {
          "url": "https://git.kernel.org/stable/c/71779fe8bf403a9b3e28dc59229fa556db32d35d"
        },
        {
          "url": "https://git.kernel.org/stable/c/b1379f0c42b88cb60b9f3757eb5d1e73ad460ed8"
        },
        {
          "url": "https://git.kernel.org/stable/c/6910ccaf41678f7761ba2e57d72b77d056320b4d"
        },
        {
          "url": "https://git.kernel.org/stable/c/a4f55260f7f7d4dc4d0ee55063dfb0c457b77991"
        }
      ],
      "title": "drm/vmwgfx: Validate vmw_surface_metadata::array_size",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-68446",
    "datePublished": "2026-08-12T00:07:37.385Z",
    "dateReserved": "2026-07-30T09:28:09.395Z",
    "dateUpdated": "2026-08-12T00:07:37.385Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

GHSA-55WX-2W5G-RCRG

CVE-2026-68446 (GCVE-0-2026-68446)

Tags

Sightings

Nomenclature