drm/amdgpu: fix use-after-free during gpu recovery

{
  "id": "f16009a9548f4b4e57d9839a9f59834f2dbe68140a6671ef6e4f6644d1293e6f",
  "url": "https://osv.dev/vulnerability/CVE-2022-48990",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/amdgpu: fix use-after-free during gpu recovery",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix use-after-free during gpu recovery [Why] [ 754.862560] refcount_t: underflow; use-after-free. [ 754.862898] Call Trace: [ 754.862903] [ 754.862913] amdgpu_job_free_cb+0xc2/0xe1 [amdgpu] [ 754.863543] drm_sched_main.cold+0x34/0x39 [amd_sched] [How] The fw_fence may be not init, check whether dma_fence_init is performed before job free",
    "evidence": "osv:CVE-2022-48990",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.0.13",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2022-48990",
      "aliases": [
        "CVE-2022-48990"
      ],
      "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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              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
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                {
                  "fixed": "d2a89cd942edd50c1e652004fd64019be78b0a96"
                },
                {
                  "fixed": "3cb93f390453cde4d6afda1587aaa00e75e09617"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-48990.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.0.0"
                },
                {
                  "fixed": "6.0.13"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-48990.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:28.756392209Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/3cb93f390453cde4d6afda1587aaa00e75e09617",
        "https://git.kernel.org/stable/c/d2a89cd942edd50c1e652004fd64019be78b0a96",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48990.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-48990",
        "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/2022/48xxx/CVE-2022-48990.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-48990",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 495047,
  "published_at": "2024-10-21T20:06:07.203+00:00"
}