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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2011-2521 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 CVE, Inc., Red Hat Broken Link 
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fc66c5210ec2539e800e87d7b3a985323c7be96e CVE, Inc., Red Hat
http://www.openwall.com/lists/oss-security/2011/07/06/4 CVE, Inc., Red Hat Mailing List  Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=719228 CVE, Inc., Red Hat Issue Tracking  Third Party Advisory 
https://github.com/torvalds/linux/commit/fc66c5210ec2539e800e87d7b3a985323c7be96e CVE, Inc., Red Hat Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-189 Numeric Errors cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-2521
NVD Published Date:
05/24/2012
NVD Last Modified:
04/10/2025
Source:
Red Hat, Inc.