gsd-2019-6974
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.
Aliases
Aliases



{
   GSD: {
      alias: "CVE-2019-6974",
      description: "In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.",
      id: "GSD-2019-6974",
      references: [
         "https://www.suse.com/security/cve/CVE-2019-6974.html",
         "https://access.redhat.com/errata/RHSA-2020:0103",
         "https://access.redhat.com/errata/RHSA-2019:3967",
         "https://access.redhat.com/errata/RHSA-2019:2809",
         "https://access.redhat.com/errata/RHSA-2019:0833",
         "https://access.redhat.com/errata/RHSA-2019:0818",
         "https://ubuntu.com/security/CVE-2019-6974",
         "https://advisories.mageia.org/CVE-2019-6974.html",
         "https://security.archlinux.org/CVE-2019-6974",
         "https://alas.aws.amazon.com/cve/html/CVE-2019-6974.html",
         "https://linux.oracle.com/cve/CVE-2019-6974.html",
         "https://packetstormsecurity.com/files/cve/CVE-2019-6974",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2019-6974",
         ],
         details: "In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.",
         id: "GSD-2019-6974",
         modified: "2023-12-13T01:23:49.815766Z",
         schema_version: "1.4.0",
      },
   },
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                        cpe_name: [],
                        vulnerable: true,
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                     {
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                        cpe_name: [],
                        vulnerable: true,
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                     {
                        cpe23Uri: "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
            ],
         },
         cve: {
            CVE_data_meta: {
               ASSIGNER: "cve@mitre.org",
               ID: "CVE-2019-6974",
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "en",
                     value: "In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
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                     description: [
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                           value: "CWE-362",
                        },
                        {
                           lang: "en",
                           value: "CWE-416",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
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                     name: "https://github.com/torvalds/linux/commit/cfa39381173d5f969daf43582c95ad679189cbc9",
                     refsource: "MISC",
                     tags: [
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                  },
                  {
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                     url: "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.99",
                  },
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                     name: "https://bugs.chromium.org/p/project-zero/issues/detail?id=1765",
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                     url: "https://bugs.chromium.org/p/project-zero/issues/detail?id=1765",
                  },
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                  },
                  {
                     name: "46388",
                     refsource: "EXPLOIT-DB",
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                     url: "https://www.exploit-db.com/exploits/46388/",
                  },
                  {
                     name: "107127",
                     refsource: "BID",
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                        "VDB Entry",
                     ],
                     url: "http://www.securityfocus.com/bid/107127",
                  },
                  {
                     name: "[debian-lts-announce] 20190327 [SECURITY] [DLA 1731-1] linux security update",
                     refsource: "MLIST",
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                     url: "https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html",
                  },
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                     refsource: "MLIST",
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                     url: "https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html",
                  },
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                     refsource: "UBUNTU",
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                     url: "https://usn.ubuntu.com/3933-2/",
                  },
                  {
                     name: "USN-3932-2",
                     refsource: "UBUNTU",
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                     url: "https://usn.ubuntu.com/3933-1/",
                  },
                  {
                     name: "https://support.f5.com/csp/article/K11186236",
                     refsource: "CONFIRM",
                     tags: [
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                     ],
                     url: "https://support.f5.com/csp/article/K11186236",
                  },
                  {
                     name: "RHSA-2019:0833",
                     refsource: "REDHAT",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://access.redhat.com/errata/RHSA-2019:0833",
                  },
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                     name: "RHSA-2019:0818",
                     refsource: "REDHAT",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://access.redhat.com/errata/RHSA-2019:0818",
                  },
                  {
                     name: "[debian-lts-announce] 20190503 [SECURITY] [DLA 1771-1] linux-4.9 security update",
                     refsource: "MLIST",
                     tags: [
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                     ],
                     url: "https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html",
                  },
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                     name: "RHBA-2019:0959",
                     refsource: "REDHAT",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://access.redhat.com/errata/RHBA-2019:0959",
                  },
                  {
                     name: "RHSA-2019:2809",
                     refsource: "REDHAT",
                     tags: [
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                     url: "https://access.redhat.com/errata/RHSA-2019:2809",
                  },
                  {
                     name: "https://support.f5.com/csp/article/K11186236?utm_source=f5support&utm_medium=RSS",
                     refsource: "CONFIRM",
                     tags: [
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                     url: "https://support.f5.com/csp/article/K11186236?utm_source=f5support&utm_medium=RSS",
                  },
                  {
                     name: "RHSA-2019:3967",
                     refsource: "REDHAT",
                     tags: [
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                     ],
                     url: "https://access.redhat.com/errata/RHSA-2019:3967",
                  },
                  {
                     name: "RHSA-2020:0103",
                     refsource: "REDHAT",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://access.redhat.com/errata/RHSA-2020:0103",
                  },
               ],
            },
         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  accessComplexity: "MEDIUM",
                  accessVector: "NETWORK",
                  authentication: "NONE",
                  availabilityImpact: "PARTIAL",
                  baseScore: 6.8,
                  confidentialityImpact: "PARTIAL",
                  integrityImpact: "PARTIAL",
                  vectorString: "AV:N/AC:M/Au:N/C:P/I:P/A:P",
                  version: "2.0",
               },
               exploitabilityScore: 8.6,
               impactScore: 6.4,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "MEDIUM",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "HIGH",
                  attackVector: "NETWORK",
                  availabilityImpact: "HIGH",
                  baseScore: 8.1,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "HIGH",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  version: "3.1",
               },
               exploitabilityScore: 2.2,
               impactScore: 5.9,
            },
         },
         lastModifiedDate: "2023-05-16T11:14Z",
         publishedDate: "2019-02-15T15:29Z",
      },
   },
}


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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.
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  • 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.