CVE-2011-2918

medium

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.

References

Advisories
More

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

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

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

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

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

Details

Source: Mitre, NVD

Published: 2012-05-24

Updated: 2025-04-11

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H