Vulnerability-Lookup

GHSA-WMW9-C68X-2MG9

Vulnerability from github – Published: 2026-05-08 15:31 – Updated: 2026-05-21 21:30

Details

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

drm/amdgpu/userq: Fix reference leak in amdgpu_userq_wait_ioctl

Drop reference to syncobj and timeline fence when aborting the ioctl due output array being too small.

(cherry picked from commit 68951e9c3e6bb22396bc42ef2359751c8315dd27)

Severity

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2026-43399"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-08T15:16:51Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/userq: Fix reference leak in amdgpu_userq_wait_ioctl\n\nDrop reference to syncobj and timeline fence when aborting the ioctl due\noutput array being too small.\n\n(cherry picked from commit 68951e9c3e6bb22396bc42ef2359751c8315dd27)",
  "id": "GHSA-wmw9-c68x-2mg9",
  "modified": "2026-05-21T21:30:29Z",
  "published": "2026-05-08T15:31:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43399"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/49abfa812617a7f2d0132c70d23ac98b389c6ec1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5409247d41f372bec5b141ef599f2d9f5e81b746"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/762f47e2b824383d5be65eee2c40a1269b7d50c8"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-43399 (GCVE-0-2026-43399)

Vulnerability from cvelistv5 – Published: 2026-05-08 14:21 – Updated: 2026-05-11 22:23

Title

drm/amdgpu/userq: Fix reference leak in amdgpu_userq_wait_ioctl

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/userq: Fix reference leak in amdgpu_userq_wait_ioctl Drop reference to syncobj and timeline fence when aborting the ioctl due output array being too small. (cherry picked from commit 68951e9c3e6bb22396bc42ef2359751c8315dd27)

Severity

No CVSS data available.

Assigner

Linux

References

3 references

URL	Tags
https://git.kernel.org/stable/c/762f47e2b824383d5…
https://git.kernel.org/stable/c/5409247d41f372bec…
https://git.kernel.org/stable/c/49abfa812617a7f2d…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: a292fdecd72834b3bec380baa5db1e69e7f70679 , < 762f47e2b824383d5be65eee2c40a1269b7d50c8 (git) Affected: a292fdecd72834b3bec380baa5db1e69e7f70679 , < 5409247d41f372bec5b141ef599f2d9f5e81b746 (git) Affected: a292fdecd72834b3bec380baa5db1e69e7f70679 , < 49abfa812617a7f2d0132c70d23ac98b389c6ec1 (git)
Linux	Linux	Affected: 6.16 Unaffected: 0 , < 6.16 (semver) Unaffected: 6.18.19 , ≤ 6.18.* (semver) Unaffected: 6.19.9 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "762f47e2b824383d5be65eee2c40a1269b7d50c8",
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              "version": "a292fdecd72834b3bec380baa5db1e69e7f70679",
              "versionType": "git"
            },
            {
              "lessThan": "5409247d41f372bec5b141ef599f2d9f5e81b746",
              "status": "affected",
              "version": "a292fdecd72834b3bec380baa5db1e69e7f70679",
              "versionType": "git"
            },
            {
              "lessThan": "49abfa812617a7f2d0132c70d23ac98b389c6ec1",
              "status": "affected",
              "version": "a292fdecd72834b3bec380baa5db1e69e7f70679",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.16"
            },
            {
              "lessThan": "6.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.19",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.19",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.9",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/userq: Fix reference leak in amdgpu_userq_wait_ioctl\n\nDrop reference to syncobj and timeline fence when aborting the ioctl due\noutput array being too small.\n\n(cherry picked from commit 68951e9c3e6bb22396bc42ef2359751c8315dd27)"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T22:23:49.924Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/762f47e2b824383d5be65eee2c40a1269b7d50c8"
        },
        {
          "url": "https://git.kernel.org/stable/c/5409247d41f372bec5b141ef599f2d9f5e81b746"
        },
        {
          "url": "https://git.kernel.org/stable/c/49abfa812617a7f2d0132c70d23ac98b389c6ec1"
        }
      ],
      "title": "drm/amdgpu/userq: Fix reference leak in amdgpu_userq_wait_ioctl",
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        "engine": "bippy-1.2.0"
      }
    }
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-43399",
    "datePublished": "2026-05-08T14:21:41.529Z",
    "dateReserved": "2026-05-01T14:12:56.007Z",
    "dateUpdated": "2026-05-11T22:23:49.924Z",
    "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.

Action not permitted

GHSA-WMW9-C68X-2MG9

CVE-2026-43399 (GCVE-0-2026-43399)

Tags

Sightings

Nomenclature