CVE-2025-39951 (GCVE-0-2025-39951)
Vulnerability from cvelistv5
Published
2025-10-04 07:31
Modified
2025-10-04 07:37
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: um: virtio_uml: Fix use-after-free after put_device in probe When register_virtio_device() fails in virtio_uml_probe(), the code sets vu_dev->registered = 1 even though the device was not successfully registered. This can lead to use-after-free or other issues.
References
Impacted products
Vendor Product Version
Linux Linux Version: 04e5b1fb01834a602acaae2276b67a783a8c6159
Version: 04e5b1fb01834a602acaae2276b67a783a8c6159
Version: 04e5b1fb01834a602acaae2276b67a783a8c6159
Version: 04e5b1fb01834a602acaae2276b67a783a8c6159
Version: 04e5b1fb01834a602acaae2276b67a783a8c6159
Version: 04e5b1fb01834a602acaae2276b67a783a8c6159
Version: 04e5b1fb01834a602acaae2276b67a783a8c6159
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/um/drivers/virtio_uml.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "14c231959a16ca41bfdcaede72483362a8c645d7",
              "status": "affected",
              "version": "04e5b1fb01834a602acaae2276b67a783a8c6159",
              "versionType": "git"
            },
            {
              "lessThan": "5e94e44c9cb30d7a383d8ac227f24a8c9326b770",
              "status": "affected",
              "version": "04e5b1fb01834a602acaae2276b67a783a8c6159",
              "versionType": "git"
            },
            {
              "lessThan": "aaf900a83508c8cd5cdf765e7749f9076196ec7f",
              "status": "affected",
              "version": "04e5b1fb01834a602acaae2276b67a783a8c6159",
              "versionType": "git"
            },
            {
              "lessThan": "4f364023ddcfe83f7073b973a9cb98584b7f2a46",
              "status": "affected",
              "version": "04e5b1fb01834a602acaae2276b67a783a8c6159",
              "versionType": "git"
            },
            {
              "lessThan": "00e98b5a69034b251bb36dc6e7123d7648e218e4",
              "status": "affected",
              "version": "04e5b1fb01834a602acaae2276b67a783a8c6159",
              "versionType": "git"
            },
            {
              "lessThan": "c2ff91255e0157b356cff115d8dc3eeb5162edf2",
              "status": "affected",
              "version": "04e5b1fb01834a602acaae2276b67a783a8c6159",
              "versionType": "git"
            },
            {
              "lessThan": "7ebf70cf181651fe3f2e44e95e7e5073d594c9c0",
              "status": "affected",
              "version": "04e5b1fb01834a602acaae2276b67a783a8c6159",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/um/drivers/virtio_uml.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.5"
            },
            {
              "lessThan": "5.5",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.245",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.194",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.154",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.108",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.49",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.16.*",
              "status": "unaffected",
              "version": "6.16.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.17",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.245",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.194",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.154",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.108",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.49",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.16.9",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.17",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\num: virtio_uml: Fix use-after-free after put_device in probe\n\nWhen register_virtio_device() fails in virtio_uml_probe(),\nthe code sets vu_dev-\u003eregistered = 1 even though\nthe device was not successfully registered.\nThis can lead to use-after-free or other issues."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-04T07:37:07.273Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/14c231959a16ca41bfdcaede72483362a8c645d7"
        },
        {
          "url": "https://git.kernel.org/stable/c/5e94e44c9cb30d7a383d8ac227f24a8c9326b770"
        },
        {
          "url": "https://git.kernel.org/stable/c/aaf900a83508c8cd5cdf765e7749f9076196ec7f"
        },
        {
          "url": "https://git.kernel.org/stable/c/4f364023ddcfe83f7073b973a9cb98584b7f2a46"
        },
        {
          "url": "https://git.kernel.org/stable/c/00e98b5a69034b251bb36dc6e7123d7648e218e4"
        },
        {
          "url": "https://git.kernel.org/stable/c/c2ff91255e0157b356cff115d8dc3eeb5162edf2"
        },
        {
          "url": "https://git.kernel.org/stable/c/7ebf70cf181651fe3f2e44e95e7e5073d594c9c0"
        }
      ],
      "title": "um: virtio_uml: Fix use-after-free after put_device in probe",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-39951",
    "datePublished": "2025-10-04T07:31:11.684Z",
    "dateReserved": "2025-04-16T07:20:57.148Z",
    "dateUpdated": "2025-10-04T07:37:07.273Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-39951\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-10-04T08:15:48.380\",\"lastModified\":\"2025-10-06T14:56:47.823\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\num: virtio_uml: Fix use-after-free after put_device in probe\\n\\nWhen register_virtio_device() fails in virtio_uml_probe(),\\nthe code sets vu_dev-\u003eregistered = 1 even though\\nthe device was not successfully registered.\\nThis can lead to use-after-free or other issues.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/00e98b5a69034b251bb36dc6e7123d7648e218e4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/14c231959a16ca41bfdcaede72483362a8c645d7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4f364023ddcfe83f7073b973a9cb98584b7f2a46\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5e94e44c9cb30d7a383d8ac227f24a8c9326b770\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7ebf70cf181651fe3f2e44e95e7e5073d594c9c0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/aaf900a83508c8cd5cdf765e7749f9076196ec7f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c2ff91255e0157b356cff115d8dc3eeb5162edf2\",\"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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • 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.