{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "4fbfa17f9a075593281034f566ca79cbf4930c82"
            },
            {
              "fixed": "514b84b1bf30f75f32c2fa66734dc1a177abb73e"
            },
            {
              "fixed": "855870e8c59b97fd424e8fa3543c9e289bb48fac"
            },
            {
              "fixed": "26b67fa10ef84ea667942491b50e6261a45f098d"
            }
          ],
          "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": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80621.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: dwc: Avoid dwc_pcie_rasdes_debugfs_deinit() NULL dereference when no RAS DES capability\n\ndwc_pcie_rasdes_debugfs_init() returns success when the controller has no\nRAS DES capability, leaving pci-\u003edebugfs-\u003erasdes_info unset. The common\ndebugfs teardown path still calls dwc_pcie_rasdes_debugfs_deinit(), which\ndereferences rasdes_info unconditionally.\n\nReturn early when no RAS DES state was allocated. In that case no RAS DES\nmutex was initialized, so there is nothing to destroy.\n\n[mani: reworded subject]",
  "id": "CVE-2026-80621",
  "modified": "2026-08-30T03:30:37.601152326Z",
  "published": "2026-08-28T06:48:41.081Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/26b67fa10ef84ea667942491b50e6261a45f098d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/514b84b1bf30f75f32c2fa66734dc1a177abb73e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/855870e8c59b97fd424e8fa3543c9e289bb48fac"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80621.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80621"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "PCI: dwc: Avoid dwc_pcie_rasdes_debugfs_deinit() NULL dereference when no RAS DES capability"
}