CVE-2011-2918

Impact:
Moderate
Public Date:
2011-07-22
Bugzilla:
730706: CVE-2011-2918 kernel: perf: Fix software event overflow

The MITRE CVE dictionary describes this issue as:

The Performance Events subsystem in the Linux kernel before 3.1 does not properly handle event overflows associated with PERF_COUNT_SW_CPU_CLOCK events, which allows local users to cause a denial of service (system hang) via a crafted application.

Find out more about CVE-2011-2918 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue did not affect Red Hat Enterprise Linux 4 and 5 as they did not include support for perf. This has been addressed in Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-1350.html and https://rhn.redhat.com/errata/RHSA-2012-0333.html.

CVSS v2 metrics

Base Score 4.9
Base Metrics AV:L/AC:L/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (kernel) RHSA-2011:1350 2011-10-05
Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2012:0333 2012-02-23

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Will not fix
Red Hat Enterprise Linux 5 kernel Not affected
Red Hat Enterprise Linux 4 kernel Not affected

Last Modified

CVE description copyright © 2017, The MITRE Corporation

Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.