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CVE-2011-2918

Date: May 24, 2012

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.

Severity Score

Related Resources (9)

https://github.com/torvalds/linux/commit/a8b0ca17b80e92faab46ee7179ba9e99ccb61233
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
https://nvd.nist.gov/vuln/detail/CVE-2011-2918
http://www.openwall.com/lists/oss-security/2011/08/16/1
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-2918
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a8b0ca17b80e92faab46ee7179ba9e99ccb61233
https://access.redhat.com/security/cve/CVE-2011-2918
https://bugzilla.redhat.com/show_bug.cgi?id=730706
https://www.mend.io/vulnerability-database/CVE-2011-2918

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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