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VULNERABILITIES

CVE-2011-2521 Details

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

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 CVEBroken Link
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fc66c5210ec2539e800e87d7b3a985323c7be96e CVE
https://bugzilla.redhat.com/show_bug.cgi?id=719228 CVEIssue TrackingThird Party Advisory
https://github.com/torvalds/linux/commit/fc66c5210ec2539e800e87d7b3a985323c7be96e CVEPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2011/07/06/4 CVEMailing ListThird Party Advisory

see all 10 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-189Numeric Errors[email protected]

Affected Products

ProductVersions
linux linux kernel
< 2.6.39

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2011-2521
NVD Published Date:
May 24, 2012
NVD Last Modified:
Jun 16, 2026
Source:
[email protected]
CVE-2011-2521 Details - Not Deferred