CVE-2026-68446 (GCVE-0-2026-68446)
Vulnerability from cvelistv5 – Published: 2026-08-12 00:07 – Updated: 2026-08-12 00:07
VLAI
EPSS
VEX
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
References
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) |
{
"containers": {
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"programFiles": [
"drivers/gpu/drm/vmwgfx/vmwgfx_surface.c"
],
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"versionType": "git"
},
{
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],
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"status": "unaffected",
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},
{
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{
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{
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"version": "6.18.42",
"versionType": "semver"
},
{
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"status": "unaffected",
"version": "7.1.6",
"versionType": "semver"
},
{
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"status": "unaffected",
"version": "7.2-rc5",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
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}
],
"negate": false,
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}
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],
"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": {
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"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",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-68446",
"date": "2026-08-12",
"epss": "0.00156",
"percentile": "0.05268"
},
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"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-08-12T17:28:01+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"
}
}
}
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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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