CVE-2011-2918

5.5 MEDIUM

Published: May 24, 2012 Modified: April 29, 2026

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a8b0ca17b80e92faab46ee7179ba9e99ccb61233

Source: secalert@redhat.com

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1

Source: secalert@redhat.com

Mailing List Patch Vendor Advisory

http://www.openwall.com/lists/oss-security/2011/08/16/1

Source: secalert@redhat.com

Mailing List Patch Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=730706

Source: secalert@redhat.com

Issue Tracking Patch Third Party Advisory

https://github.com/torvalds/linux/commit/a8b0ca17b80e92faab46ee7179ba9e99ccb61233

Source: secalert@redhat.com

Patch Third Party Advisory

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a8b0ca17b80e92faab46ee7179ba9e99ccb61233