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CVE-2026-63878 drm/amdgpu: check num_entries in GEM_OP GET_MAPPING_INFO

🗓️ 19 Jul 2026 14:54:50Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 41 Views

Linux kernel fix for amdgpu GEM_OP GET_MAPPING_INFO by checking num_entries bounds to avoid oversized allocations.

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_gem.c"
    ],
    "versions": [
      {
        "version": "4d82724f7f2b847eb0454b1aab5450545b39abd4",
        "lessThan": "f059b4c493df3e54fe3ffe4658009c31864275da",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4d82724f7f2b847eb0454b1aab5450545b39abd4",
        "lessThan": "967a00b8e06a7734aded23861faba9ee2462be87",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4d82724f7f2b847eb0454b1aab5450545b39abd4",
        "lessThan": "a1ba4594232c87c3b8defd6f89a2e40f8b08395d",
        "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_gem.c"
    ],
    "versions": [
      {
        "version": "6.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.35",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.12",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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