CVE-2011-2521
N/A
Published: May 24, 2012 at 11:00 PM UTC
Updated: June 16, 2026 at 11:31 PM UTC
1 product affected across 1 vendorLinux Kernel
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Severity
N/A
Exploit prediction
EPSS 0.4%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 2.6.39
Affected range stops below 2.6.39, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (5)
x_refsource_CONFIRMBroken Link
Source: [email protected]
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2011/07/06/4x_refsource_CONFIRMIssue TrackingThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=719228x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://github.com/torvalds/linux/commit/fc66c5210ec2539e800e87d7b3a985323c7be96eQuick Info
StatusMODIFIED
CWE
CWE-189
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