GHSA-PCW3-W336-M348

Vulnerability from github – Published: 2022-05-13 01:44 – Updated: 2022-05-13 01:44
VLAI?
Details

The nested_vmx_check_vmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service (host OS memory consumption) by leveraging the mishandling of page references.

Severity ?
6.5 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2017-2596"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-772"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-02-06T06:59:00Z",
    "severity": "MODERATE"
  },
  "details": "The nested_vmx_check_vmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service (host OS memory consumption) by leveraging the mishandling of page references.",
  "id": "GHSA-pcw3-w336-m348",
  "modified": "2022-05-13T01:44:53Z",
  "published": "2022-05-13T01:44:53Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-2596"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:1842"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:2077"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2017-2596"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1417812"
    },
    {
      "type": "WEB",
      "url": "http://www.debian.org/security/2017/dsa-3791"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2017/01/31/4"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/95878"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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