CVE-2011-2521

Published May 24, 2012

Last updated 2 years ago

Overview

Description: The x86_assign_hw_event function in arch/x86/kernel/cpu/perf_event.c in the Performance Events subsystem in the Linux kernel before 2.6.39 does not properly calculate counter values, which allows local users to cause a denial of service (panic) via the perf program.
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-189

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "176353CE-F17E-4776-AD9F-19014DA75B76",
            "versionEndExcluding": "2.6.39"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References