FKIE_CVE-2026-68446
Vulnerability from fkie_nvd - Published: 2026-08-12 00:17 - Updated: 2026-08-19 17:20
Severity
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.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"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": "e949adf2d42678fb391a41db277e2fcb12090566",
"status": "affected",
"version": "504901dbb0b565fcbe466b0c56f3131586df5afd",
"versionType": "git"
},
{
"lessThan": "0403cec2aff8037bc246cf9a0831eb169ddcd9df",
"status": "affected",
"version": "504901dbb0b565fcbe466b0c56f3131586df5afd",
"versionType": "git"
},
{
"lessThan": "aded8463466ede7a7fbd1bbf821756c67c83e89b",
"status": "affected",
"version": "504901dbb0b565fcbe466b0c56f3131586df5afd",
"versionType": "git"
},
{
"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": "5.10.*",
"status": "unaffected",
"version": "5.10.265",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.216",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.183",
"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",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"cveTags": [],
"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."
}
],
"id": "CVE-2026-68446",
"lastModified": "2026-08-19T17:20:50.550",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"type": "Secondary"
}
]
},
"published": "2026-08-12T00:17:44.970",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/0403cec2aff8037bc246cf9a0831eb169ddcd9df"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/5ff94e1279176b539d451e3e754fdcbd1a8d520a"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/6910ccaf41678f7761ba2e57d72b77d056320b4d"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/71779fe8bf403a9b3e28dc59229fa556db32d35d"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/a4f55260f7f7d4dc4d0ee55063dfb0c457b77991"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/aded8463466ede7a7fbd1bbf821756c67c83e89b"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/b1379f0c42b88cb60b9f3757eb5d1e73ad460ed8"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/e949adf2d42678fb391a41db277e2fcb12090566"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Received"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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
| 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.
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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.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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