Security advisory

{
  "id": "8f819353c35567af0480190f70354831f0b21f8caa613bb525bd8ce2a2c13cd1",
  "url": "https://osv.dev/vulnerability/CVE-2024-26327",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2024-26327",
    "summary": "An issue was discovered in QEMU 7.1.0 through 8.2.1. register_vfs in hw/pci/pcie_sriov.c mishandles the situation where a guest writes NumVFs greater than TotalVFs, leading to a buffer overflow in VF implementations.",
    "evidence": "osv:CVE-2024-26327",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2024-26327",
      "aliases": [
        "CVE-2024-26327"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/qemu/qemu",
              "type": "GIT",
              "events": [
                {
                  "introduced": "621da7789083b80d6f1ff1c0fb499334007b4f51"
                },
                {
                  "last_affected": "f48c205fb42be48e2e47b7e1cd9a2802e5ca17b0"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.1.0"
                      },
                      {
                        "last_affected": "8.2.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v8.2.1",
            "v8.2.0",
            "v8.2.0-rc4",
            "v8.2.0-rc3",
            "v8.2.0-rc2",
            "v8.2.0-rc1",
            "v8.2.0-rc0",
            "v8.1.0",
            "v8.1.0-rc4",
            "v8.1.0-rc3",
            "v8.1.0-rc2",
            "v8.1.0-rc1",
            "v8.1.0-rc0",
            "v8.0.0",
            "v8.0.0-rc4",
            "v8.0.0-rc3",
            "v8.0.0-rc2",
            "v7.2.0",
            "v8.0.0-rc1",
            "v8.0.0-rc0",
            "v7.2.0-rc4",
            "v7.2.0-rc3",
            "v7.2.0-rc2",
            "v7.2.0-rc1",
            "v7.2.0-rc0",
            "v7.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-26327.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/qemu-project/qemu",
              "type": "GIT",
              "events": [
                {
                  "introduced": "621da7789083b80d6f1ff1c0fb499334007b4f51"
                },
                {
                  "last_affected": "f48c205fb42be48e2e47b7e1cd9a2802e5ca17b0"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.1.0"
                      },
                      {
                        "last_affected": "8.2.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v8.2.1",
            "v8.2.0",
            "v8.2.0-rc4",
            "v8.2.0-rc3",
            "v8.2.0-rc2",
            "v8.2.0-rc1",
            "v8.2.0-rc0",
            "v8.1.0",
            "v8.1.0-rc4",
            "v8.1.0-rc3",
            "v8.1.0-rc2",
            "v8.1.0-rc1",
            "v8.1.0-rc0",
            "v8.0.0",
            "v8.0.0-rc4",
            "v8.0.0-rc3",
            "v8.0.0-rc2",
            "v7.2.0",
            "v8.0.0-rc1",
            "v8.0.0-rc0",
            "v7.2.0-rc4",
            "v7.2.0-rc3",
            "v7.2.0-rc2",
            "v7.2.0-rc1",
            "v7.2.0-rc0",
            "v7.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-26327.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.408018263Z",
      "provider": "osv",
      "references": [
        "https://lore.kernel.org/all/20240214-reuse-v4-5-89ad093a07f4%40daynix.com/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26327.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-26327",
        "https://security.netapp.com/advisory/ntap-20240419-0010/"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26327.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-26327",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 504875,
  "published_at": "2024-02-19T00:00:00+00:00"
}