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CVE-2026-43398 drm/amdgpu: add upper bound check on user inputs in wait ioctl

🗓️ 08 May 2026 14:21:40Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 48 Views

CVE-2026-43398: fixed upper bound check on user inputs in amdgpu wait ioctl to prevent OOM.

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": "a292fdecd72834b3bec380baa5db1e69e7f70679",
        "lessThan": "b1d10508da559da2e0ca9cca6505094a7df948e1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a292fdecd72834b3bec380baa5db1e69e7f70679",
        "lessThan": "3cd93bc695b3456f26f5ed52753d9071da26202a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a292fdecd72834b3bec380baa5db1e69e7f70679",
        "lessThan": "64ac7c09fc44985ec9bb6a9db740899fa40ca613",
        "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": "6.18.19",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.9",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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