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GHSA-M79X-VC6M-3CGV

Vulnerability from github – Published: 2025-12-09 18:30 – Updated: 2025-12-09 18:30

Details

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

drm/vmwgfx: Fix memory leak in vmw_mksstat_add_ioctl()

If the copy of the description string from userspace fails, then the page for the instance descriptor doesn't get freed before returning -EFAULT, which leads to a memleak.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-50667"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-09T16:17:18Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vmwgfx: Fix memory leak in vmw_mksstat_add_ioctl()\n\nIf the copy of the description string from userspace fails, then the page\nfor the instance descriptor doesn\u0027t get freed before returning -EFAULT,\nwhich leads to a memleak.",
  "id": "GHSA-m79x-vc6m-3cgv",
  "modified": "2025-12-09T18:30:31Z",
  "published": "2025-12-09T18:30:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50667"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/53066b144715332ce9370143c33c50d9a4d3e809"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6ad40bbb2c25f17b899fcea114ebc0a46d8a938b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a40c7f61d12fbd1e785e59140b9efd57127c0c33"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b47a37ad4a444d82f9caf153a79d090b79786ebb"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2022-50667 (GCVE-0-2022-50667)

Vulnerability from cvelistv5 – Published: 2025-12-09 01:29 – Updated: 2026-05-11 19:23

Title

drm/vmwgfx: Fix memory leak in vmw_mksstat_add_ioctl()

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix memory leak in vmw_mksstat_add_ioctl() If the copy of the description string from userspace fails, then the page for the instance descriptor doesn't get freed before returning -EFAULT, which leads to a memleak.

Severity

No CVSS data available.

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/b47a37ad4a444d82f…
https://git.kernel.org/stable/c/6ad40bbb2c25f17b8…
https://git.kernel.org/stable/c/53066b144715332ce…
https://git.kernel.org/stable/c/a40c7f61d12fbd1e7…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 7a7a933edd6c3a6d5d64e08093f2d564104cefcd , < b47a37ad4a444d82f9caf153a79d090b79786ebb (git) Affected: 7a7a933edd6c3a6d5d64e08093f2d564104cefcd , < 6ad40bbb2c25f17b899fcea114ebc0a46d8a938b (git) Affected: 7a7a933edd6c3a6d5d64e08093f2d564104cefcd , < 53066b144715332ce9370143c33c50d9a4d3e809 (git) Affected: 7a7a933edd6c3a6d5d64e08093f2d564104cefcd , < a40c7f61d12fbd1e785e59140b9efd57127c0c33 (git)
Linux	Linux	Affected: 5.15 Unaffected: 0 , < 5.15 (semver) Unaffected: 5.15.75 , ≤ 5.15.* (semver) Unaffected: 5.19.17 , ≤ 5.19.* (semver) Unaffected: 6.0.3 , ≤ 6.0.* (semver) Unaffected: 6.1 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/vmwgfx/vmwgfx_msg.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
            },
            {
              "lessThan": "6ad40bbb2c25f17b899fcea114ebc0a46d8a938b",
              "status": "affected",
              "version": "7a7a933edd6c3a6d5d64e08093f2d564104cefcd",
              "versionType": "git"
            },
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          "versions": [
            {
              "status": "affected",
              "version": "5.15"
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              "lessThan": "5.15",
              "status": "unaffected",
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            },
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              "versionType": "semver"
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            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.3",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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          "nodes": [
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              "cpeMatch": [
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                  "versionStartIncluding": "5.15",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vmwgfx: Fix memory leak in vmw_mksstat_add_ioctl()\n\nIf the copy of the description string from userspace fails, then the page\nfor the instance descriptor doesn\u0027t get freed before returning -EFAULT,\nwhich leads to a memleak."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:23:17.946Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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    "datePublished": "2025-12-09T01:29:17.925Z",
    "dateReserved": "2025-12-09T01:26:45.990Z",
    "dateUpdated": "2026-05-11T19:23:17.946Z",
    "state": "PUBLISHED"
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}

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.
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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