CVE-2011-2918

MEDIUM

Linux Kernel < 3.1 - Denial of Service

Title source: rule

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.

Exploits (1)

exploitdb WORKING POC

by Vince Weaver · cdoslinux

https://www.exploit-db.com/exploits/17769

View Code ZIP pw:eip

References (5)

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

[Mailing List, Patch, Vendor Advisory] http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1

[Mailing List, Patch, Third Party Advisory] http://www.openwall.com/lists/oss-security/2011/08/16/1

[Issue Tracking, Patch, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=730706

[Patch, Third Party Advisory] https://github.com/torvalds/linux/commit/a8b0ca17b80e92faab46ee7179ba9e99ccb61233

Scores

CVSS v3 5.5

EPSS 0.0012

EPSS Percentile 30.5%

Attack Vector LOCAL

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

Classification

CWE

CWE-400

Status draft

Affected Products (1)

linux/linux_kernel < 3.1

Timeline

Published May 24, 2012

Tracked Since Feb 18, 2026