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

Vulnerability from cvelistv5 – Published: 2026-08-12 00:07 – Updated: 2026-08-19 16:35
VLAI
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
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 504901dbb0b565fcbe466b0c56f3131586df5afd , < e949adf2d42678fb391a41db277e2fcb12090566 (git)
Affected: 504901dbb0b565fcbe466b0c56f3131586df5afd , < 0403cec2aff8037bc246cf9a0831eb169ddcd9df (git)
Affected: 504901dbb0b565fcbe466b0c56f3131586df5afd , < aded8463466ede7a7fbd1bbf821756c67c83e89b (git)
Affected: 504901dbb0b565fcbe466b0c56f3131586df5afd , < 5ff94e1279176b539d451e3e754fdcbd1a8d520a (git)
Affected: 504901dbb0b565fcbe466b0c56f3131586df5afd , < 71779fe8bf403a9b3e28dc59229fa556db32d35d (git)
Affected: 504901dbb0b565fcbe466b0c56f3131586df5afd , < b1379f0c42b88cb60b9f3757eb5d1e73ad460ed8 (git)
Affected: 504901dbb0b565fcbe466b0c56f3131586df5afd , < 6910ccaf41678f7761ba2e57d72b77d056320b4d (git)
Affected: 504901dbb0b565fcbe466b0c56f3131586df5afd , < a4f55260f7f7d4dc4d0ee55063dfb0c457b77991 (git)
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Linux Linux Affected: 5.7
Unaffected: 0 , < 5.7 (semver)
Unaffected: 5.10.265 , ≤ 5.10.* (semver)
Unaffected: 5.15.216 , ≤ 5.15.* (semver)
Unaffected: 6.1.183 , ≤ 6.1.* (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 , ≤ * (original_commit_for_fix)
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          "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."
        }
      ],
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-25T01:21:26+00:00",
      "cve": "CVE-2026-68446",
      "id": "CVE-2026-68446",
      "initial_release_date": "2026-08-12T00:00:00+00:00",
      "product_status:known_affected": "184",
      "product_status:known_not_affected": "92",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: drm/vmwgfx: Validate vmw_surface_metadata::array_size",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-68446.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-13T01:27:38Z",
      "cve": "CVE-2026-68446",
      "id": "CVE-2026-68446",
      "initial_release_date": "2026-08-12T16:21:45Z",
      "product_status:known_affected": "132",
      "product_status:known_not_affected": "164",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-68446",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-68446.json",
      "version": "3"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.