{
  "document": {
    "aggregate_severity": {
      "text": "Medium"
    },
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    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
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        "url": "https://www.first.org/tlp/"
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    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
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        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/oraclelinux7els/vex/2021/cve-2021-3667-els_os-oraclelinux7els.json"
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      "generator": {
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      "id": "CVE-2021-3667-ELS_OS-ORACLELINUX7ELS",
      "initial_release_date": "2021-01-01T00:00:00Z",
      "revision_history": [
        {
          "date": "2021-01-01T00:00:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-04-14T08:43:05Z",
          "number": "2",
          "summary": "Official Publication"
        }
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      "status": "final",
      "version": "2"
    },
    "title": "Security update on CVE-2021-3667"
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          "product_id": "Oracle-Linux-7:libvirt-daemon-driver-qemu-0:4.5.0-36.el7_9.5.tuxcare.els1.x86_64"
        },
        "product_reference": "libvirt-daemon-driver-qemu-0:4.5.0-36.el7_9.5.tuxcare.els1.x86_64",
        "relates_to_product_reference": "Oracle-Linux-7"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libvirt-daemon-driver-storage-disk-0:4.5.0-36.el7_9.5.tuxcare.els1.x86_64 as a component of Oracle Linux 7",
          "product_id": "Oracle-Linux-7:libvirt-daemon-driver-storage-disk-0:4.5.0-36.el7_9.5.tuxcare.els1.x86_64"
        },
        "product_reference": "libvirt-daemon-driver-storage-disk-0:4.5.0-36.el7_9.5.tuxcare.els1.x86_64",
        "relates_to_product_reference": "Oracle-Linux-7"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-3667",
      "cwe": {
        "id": "CWE-667",
        "name": "Improper Locking"
      },
      "notes": [
        {
          "category": "description",
          "text": "An improper locking issue was found in the virStoragePoolLookupByTargetPath API of libvirt. It occurs in the storagePoolLookupByTargetPath function where a locked virStoragePoolObj object is not properly released on ACL permission failure. Clients connecting to the read-write socket with limited ACL permissions could use this flaw to acquire the lock and prevent other users from accessing storage pool/volume APIs, resulting in a denial of service condition. The highest threat from this vulnerability is to system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "under_investigation": [
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2021-3667"
        },
        {
          "category": "external",
          "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=1986094",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1986094"
        },
        {
          "category": "external",
          "summary": "https://gitlab.com/libvirt/libvirt/-/commit/447f69dec47e1b0bd15ecd7cd49a9fd3b050fb87",
          "url": "https://gitlab.com/libvirt/libvirt/-/commit/447f69dec47e1b0bd15ecd7cd49a9fd3b050fb87"
        },
        {
          "category": "external",
          "summary": "https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=447f69dec47e1b0bd15ecd7cd49a9fd3b050fb87",
          "url": "https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=447f69dec47e1b0bd15ecd7cd49a9fd3b050fb87"
        },
        {
          "category": "external",
          "summary": "https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html",
          "url": "https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html"
        },
        {
          "category": "external",
          "summary": "https://security.gentoo.org/glsa/202210-06",
          "url": "https://security.gentoo.org/glsa/202210-06"
        },
        {
          "category": "external",
          "summary": "https://security.netapp.com/advisory/ntap-20220331-0005/",
          "url": "https://security.netapp.com/advisory/ntap-20220331-0005/"
        }
      ],
      "release_date": "2022-03-02T23:15:00Z",
      "remediations": [
        {
          "category": "none_available",
          "details": "Affected",
          "product_ids": [
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      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 3.5,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:M/Au:S/C:N/I:N/A:P",
            "version": "2.0"
          },
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ]
    }
  ]
}