{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "5.1.1"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "13.0"
              }
            ]
          }
        ]
      },
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "7.0"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "8.0"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "8.0"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "823a3f11fb8f04c3c3cc0f95f968fef1bfc6534f"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "c1eb2ddf0f8075faddc5f7c3d39feae3e8e9d6b4"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "c1eb2ddf0f8075faddc5f7c3d39feae3e8e9d6b4"
            }
          ],
          "repo": "https://github.com/qemu/qemu",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an ide_cancel_dma_sync call.",
  "id": "CVE-2020-25743",
  "modified": "2026-04-01T23:08:44.286531712Z",
  "published": "2020-10-06T15:15:15.067Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1b"
    },
    {
      "type": "FIX",
      "url": "http://www.openwall.com/lists/oss-security/2020/09/29/1"
    },
    {
      "type": "FIX",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1881409"
    },
    {
      "type": "FIX",
      "url": "https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05967.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"
    }
  ]
}