CVE-2014-8480

Published Nov 10, 2014

Last updated 3 months ago

Overview

Description: The instruction decoder in arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel before 3.18-rc2 lacks intended decoder-table flags for certain RIP-relative instructions, which allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) via a crafted application.
Source: cve@mitre.org
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-399

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:linux:linux_kernel:*:rc1:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "1892B391-62DB-4D08-9E2F-049AAA4840AD",
            "versionEndIncluding": "3.18"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References