CVE-2012-2121

Published May 17, 2012

Last updated 7 years ago

Overview

Description: The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu, which allows guest OS users to cause a denial of service (memory leak and host OS crash) by leveraging administrative access to the guest OS to conduct hotunplug and hotplug operations on devices.
Source: secalert@redhat.com
NVD status: Modified

Risk scores

CVSS 2.0

Type: Primary
Base score: 4.9
Impact score: 6.9
Exploitability score: 3.9
Vector string: AV:L/AC:L/Au:N/C:N/I:N/A:C

Weaknesses

nvd@nist.gov: CWE-264

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "6FF9F960-C2EA-4018-94CE-8D893CA8A7F9",
            "versionEndIncluding": "3.3.3"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References