{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "6.0.0"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "609d7596524ab204ccd71ef42c9eee4c7c338ea4"
            }
          ],
          "repo": "https://github.com/qemu/qemu",
          "type": "GIT"
        }
      ]
    },
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "6.0.0"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "609d7596524ab204ccd71ef42c9eee4c7c338ea4"
            }
          ],
          "repo": "https://gitlab.com/qemu-project/qemu",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "unresolved_ranges": [
      {
        "cpes": [
          "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*"
        ],
        "extracted_events": [
          {
            "introduced": "11.0"
          },
          {
            "last_affected": "11.0"
          }
        ],
        "source": "CPE_STRING",
        "vendor_product": "debian:debian_linux"
      }
    ]
  },
  "details": "Several memory leaks were found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. They exist in contrib/vhost-user-gpu/vhost-user-gpu.c and contrib/vhost-user-gpu/virgl.c due to improper release of memory (i.e., free) after effective lifetime.",
  "id": "CVE-2021-3544",
  "modified": "2026-07-08T05:36:10.193084390Z",
  "published": "2021-06-02T14:15:10.177Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://www.openwall.com/lists/oss-security/2021/05/31/1"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.gentoo.org/glsa/202208-27"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.netapp.com/advisory/ntap-20210720-0008/"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.debian.org/security/2021/dsa-4980"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1958935"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}