CVE-2022-50263 (GCVE-0-2022-50263)
Vulnerability from cvelistv5
Published
2025-09-15 14:20
Modified
2025-09-15 14:20
Severity ?
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.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0b7a04a30eef20e6b24926a45c0ce7906ae85bd6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/16b22e27fba6fd816d0dcb98f42cc71f0836c27e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/54b210c90d2803a9f1c8fd2f0d08e90172e9a06d
Impacted products
Vendor Product Version
Linux Linux Version: bda324fd037a6b0d44da5699574ce741ca161bc4
Version: bda324fd037a6b0d44da5699574ce741ca161bc4
Version: bda324fd037a6b0d44da5699574ce741ca161bc4
 Create a notification for this product.
   Linux Linux Version: 5.19
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/vdpa/vdpa_sim/vdpa_sim.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "54b210c90d2803a9f1c8fd2f0d08e90172e9a06d",
              "status": "affected",
              "version": "bda324fd037a6b0d44da5699574ce741ca161bc4",
              "versionType": "git"
            },
            {
              "lessThan": "16b22e27fba6fd816d0dcb98f42cc71f0836c27e",
              "status": "affected",
              "version": "bda324fd037a6b0d44da5699574ce741ca161bc4",
              "versionType": "git"
            },
            {
              "lessThan": "0b7a04a30eef20e6b24926a45c0ce7906ae85bd6",
              "status": "affected",
              "version": "bda324fd037a6b0d44da5699574ce741ca161bc4",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/vdpa/vdpa_sim/vdpa_sim.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.19"
            },
            {
              "lessThan": "5.19",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.19",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.19",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.5",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.2",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvdpasim: fix memory leak when freeing IOTLBs\n\nAfter commit bda324fd037a (\"vdpasim: control virtqueue support\"),\nvdpasim-\u003eiommu became an array of IOTLB, so we should clean the\nmappings of each free one by one instead of just deleting the ranges\nin the first IOTLB which may leak maps."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-15T14:20:59.436Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/54b210c90d2803a9f1c8fd2f0d08e90172e9a06d"
        },
        {
          "url": "https://git.kernel.org/stable/c/16b22e27fba6fd816d0dcb98f42cc71f0836c27e"
        },
        {
          "url": "https://git.kernel.org/stable/c/0b7a04a30eef20e6b24926a45c0ce7906ae85bd6"
        }
      ],
      "title": "vdpasim: fix memory leak when freeing IOTLBs",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50263",
    "datePublished": "2025-09-15T14:20:59.436Z",
    "dateReserved": "2025-09-15T13:58:00.974Z",
    "dateUpdated": "2025-09-15T14:20:59.436Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-50263\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-09-15T15:15:36.560\",\"lastModified\":\"2025-09-15T15:22:27.090\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nvdpasim: fix memory leak when freeing IOTLBs\\n\\nAfter commit bda324fd037a (\\\"vdpasim: control virtqueue support\\\"),\\nvdpasim-\u003eiommu became an array of IOTLB, so we should clean the\\nmappings of each free one by one instead of just deleting the ranges\\nin the first IOTLB which may leak maps.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0b7a04a30eef20e6b24926a45c0ce7906ae85bd6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/16b22e27fba6fd816d0dcb98f42cc71f0836c27e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/54b210c90d2803a9f1c8fd2f0d08e90172e9a06d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.