{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "3cf7a0bc87f028b6bc63a43a80d9d6026ae4d85f"
            },
            {
              "fixed": "295d2bf42061db490254e748f9344545bb7faf19"
            },
            {
              "fixed": "dac29cbb405b912742f4f7eda833cec8e7a53780"
            },
            {
              "fixed": "92a9eebd2a1f892fe482154d83f9f1626bc73d3b"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.15.0"
            },
            {
              "fixed": "6.18.51"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89820.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: fix dc_lock leak on GPU reset error paths\n\nOn GPU reset, dm_suspend() takes dc_lock and leaves it for dm_resume()\nto drop. If amdgpu_dm_commit_zero_streams() or dm_dmub_hw_init() fails,\nthe function returns with the lock still held. The matching resume path\nis then skipped, so every later dc_lock take hangs.\n\nRelease the cached DC state and unlock before returning the error.",
  "id": "CVE-2026-89820",
  "modified": "2026-09-18T03:30:39.993274223Z",
  "published": "2026-09-16T10:30:52.803Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/295d2bf42061db490254e748f9344545bb7faf19"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/92a9eebd2a1f892fe482154d83f9f1626bc73d3b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dac29cbb405b912742f4f7eda833cec8e7a53780"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89820.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89820"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "drm/amd/display: fix dc_lock leak on GPU reset error paths"
}