{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "5.1.1"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "5.1.1"
              }
            ]
          }
        ]
      }
    }
  ],
  "details": "pci_change_irq_level in hw/pci/pci.c in QEMU before 5.1.1 has a NULL pointer dereference because pci_get_bus() might not return a valid pointer.",
  "id": "CVE-2020-25742",
  "modified": "2026-03-15T21:45:39.327299479Z",
  "published": "2020-10-06T15:15:15.007Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Flsi_nullptr1"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.openwall.com/lists/oss-security/2020/09/29/1"
    },
    {
      "type": "FIX",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1883178"
    },
    {
      "type": "FIX",
      "url": "https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05294.html"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}