CVE-2011-2918
MEDIUM
5.5
CVSS Score
Published: May 24, 2012 at 11:00 PM UTC
Updated: June 16, 2026 at 11:32 PM UTC
1 product affected across 1 vendorLinux Kernel
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.9%
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 3.1
Affected range stops below 3.1, 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:
References (5)
x_refsource_CONFIRMMailing ListPatchVendor Advisory
Source: [email protected]
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1Mailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2011/08/16/1x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=730706x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://github.com/torvalds/linux/commit/a8b0ca17b80e92faab46ee7179ba9e99ccb61233CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-400
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