drm/amdkfd: amdkfd_free_gtt_mem clear the correct pointer

{
  "id": "2ddaa8cd2cffc12b640ab823b045dfffab7fdbbaac55ca29200a520efd2029b1",
  "url": "https://osv.dev/vulnerability/CVE-2024-49991",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/amdkfd: amdkfd_free_gtt_mem clear the correct pointer",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: amdkfd_free_gtt_mem clear the correct pointer Pass pointer reference to amdgpu_bo_unref to clear the correct pointer, otherwise amdgpu_bo_unref clear the local variable, the original pointer not set to NULL, this could cause use-after-free bug.",
    "evidence": "osv:CVE-2024-49991",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.1.118",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.55",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.10.14",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.11.3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2024-49991",
      "aliases": [
        "CVE-2024-49991"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
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              "type": "GIT",
              "events": [
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                {
                  "fixed": "e7831613cbbcd9058d3658fbcdc5d5884ceb2e0c"
                },
                {
                  "fixed": "30ceb873cc2e97348d9da2265b2d1ddf07f682e1"
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                {
                  "fixed": "71f3240f82987f0f070ea5bed559033de7d4c0e1"
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                {
                  "fixed": "6c9289806591807e4e3be9a23df8ee2069180055"
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                {
                  "fixed": "c86ad39140bbcb9dc75a10046c2221f657e8083b"
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              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-49991.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.3.0"
                },
                {
                  "fixed": "6.1.118"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.55"
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            {
              "type": "ECOSYSTEM",
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                  "introduced": "6.7.0"
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                  "fixed": "6.10.14"
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              "type": "ECOSYSTEM",
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                  "introduced": "6.11.0"
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                  "fixed": "6.11.3"
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-49991.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:31.916107898Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/30ceb873cc2e97348d9da2265b2d1ddf07f682e1",
        "https://git.kernel.org/stable/c/6c9289806591807e4e3be9a23df8ee2069180055",
        "https://git.kernel.org/stable/c/71f3240f82987f0f070ea5bed559033de7d4c0e1",
        "https://git.kernel.org/stable/c/c86ad39140bbcb9dc75a10046c2221f657e8083b",
        "https://git.kernel.org/stable/c/e7831613cbbcd9058d3658fbcdc5d5884ceb2e0c",
        "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/49xxx/CVE-2024-49991.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-49991",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/49xxx/CVE-2024-49991.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-49991",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 498826,
  "published_at": "2024-10-21T18:02:33.805+00:00"
}