CVE-2011-4621

Impact:
Moderate
Public Date:
2010-11-21
Bugzilla:
769711: CVE-2011-4621 kernel: tight loop and no preemption can cause system stall

The MITRE CVE dictionary describes this issue as:

The Linux kernel before 2.6.37 does not properly implement a certain clock-update optimization, which allows local users to cause a denial of service (system hang) via an application that executes code in a loop.

Find out more about CVE-2011-4621 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue does not affect Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG 2.

CVSS v2 metrics

Base Score 4.7
Base Metrics AV:L/AC:M/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Medium
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-2011:1849 2011-12-22

Affected Packages State

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

Acknowledgements

Red Hat would like to thank Masaki Tachibana for reporting this issue.

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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