vdpasim: fix memory leak when freeing IOTLBs

{
  "id": "8083fbd27e6c609d0e33db93f39fb5dd4d57be439c2abefa9320735de12d02d0",
  "url": "https://osv.dev/vulnerability/CVE-2022-50263",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "vdpasim: fix memory leak when freeing IOTLBs",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: vdpasim: fix memory leak when freeing IOTLBs After commit bda324fd037a (\"vdpasim: control virtqueue support\"), vdpasim->iommu became an array of IOTLB, so we should clean the mappings of each free one by one instead of just deleting the ranges in the first IOTLB which may leak maps.",
    "evidence": "osv:CVE-2022-50263",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.0.19",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.5",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-50263",
      "aliases": [
        "CVE-2022-50263"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "bda324fd037a6b0d44da5699574ce741ca161bc4"
                },
                {
                  "fixed": "54b210c90d2803a9f1c8fd2f0d08e90172e9a06d"
                },
                {
                  "fixed": "16b22e27fba6fd816d0dcb98f42cc71f0836c27e"
                },
                {
                  "fixed": "0b7a04a30eef20e6b24926a45c0ce7906ae85bd6"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50263.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.19.0"
                },
                {
                  "fixed": "6.0.19"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.1.0"
                },
                {
                  "fixed": "6.1.5"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50263.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.271170800Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/0b7a04a30eef20e6b24926a45c0ce7906ae85bd6",
        "https://git.kernel.org/stable/c/16b22e27fba6fd816d0dcb98f42cc71f0836c27e",
        "https://git.kernel.org/stable/c/54b210c90d2803a9f1c8fd2f0d08e90172e9a06d",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50263.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-50263",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50263.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-50263",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 499332,
  "published_at": "2025-09-15T14:20:59.436+00:00"
}