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CVE-2026-23034 drm/amdgpu/userq: Fix fence reference leak on queue teardown v2

🗓️ 31 Jan 2026 11:42:29Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

Fix fence leak in amdgpu user queue teardown by releasing last_fence with dma_fence_put during exit.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c"
    ],
    "versions": [
      {
        "version": "edc762a51c7181d6fe1e0837e2eb69afb406f98e",
        "lessThan": "e1a30e1ab33fc522785d04bbf7e1b13a5c5c9175",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "edc762a51c7181d6fe1e0837e2eb69afb406f98e",
        "lessThan": "b2426a211dba6432e32a2e70e9183c6e134475c6",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c"
    ],
    "versions": [
      {
        "version": "6.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.7",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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