CVE-2024-50091
Vulnerability from cvelistv5
Published
2024-11-05 17:04
Modified
2025-01-17 15:56
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: dm vdo: don't refer to dedupe_context after releasing it Clear the dedupe_context pointer in a data_vio whenever ownership of the context is lost, so that vdo can't examine it accidentally.
Impacted products
Vendor Product Version
Linux Linux Version: cfaf07fae7a262865a67b6010eef3bc0a1ae50b2
Version: cfaf07fae7a262865a67b6010eef3bc0a1ae50b2
Linux Linux Version: 6.9
Show details on NVD website


{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/md/dm-vdo/dedupe.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "63ef073084c67878d7a92e15ad055172da3f05a3",
              "status": "affected",
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              "versionType": "git"
            },
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              "status": "affected",
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/md/dm-vdo/dedupe.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.9"
            },
            {
              "lessThan": "6.9",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.11.*",
              "status": "unaffected",
              "version": "6.11.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.12",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm vdo: don\u0027t refer to dedupe_context after releasing it\n\nClear the dedupe_context pointer in a data_vio whenever ownership of\nthe context is lost, so that vdo can\u0027t examine it accidentally."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-01-17T15:56:22.693Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/63ef073084c67878d7a92e15ad055172da3f05a3"
        },
        {
          "url": "https://git.kernel.org/stable/c/0808ebf2f80b962e75741a41ced372a7116f1e26"
        }
      ],
      "title": "dm vdo: don\u0027t refer to dedupe_context after releasing it",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-50091",
    "datePublished": "2024-11-05T17:04:55.311Z",
    "dateReserved": "2024-10-21T19:36:19.943Z",
    "dateUpdated": "2025-01-17T15:56:22.693Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
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      "id": "CVE-2024-50091",
      "lastModified": "2024-11-12T21:44:39.210",
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      "published": "2024-11-05T17:15:06.533",
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      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Analyzed",
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  }
}


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