CVE-2011-2918

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1 mailing list patch vendor advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a8b0ca17b80e92faab46ee7179ba9e99ccb61233
https://github.com/torvalds/linux/commit/a8b0ca17b80e92faab46ee7179ba9e99ccb61233 third party advisory patch
http://www.openwall.com/lists/oss-security/2011/08/16/1 mailing list third party advisory patch
https://bugzilla.redhat.com/show_bug.cgi?id=730706 issue tracking third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2011-2918?
CVE-2011-2918 has been scored as a medium severity vulnerability.
How to fix CVE-2011-2918?
To fix CVE-2011-2918, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-2918 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-2918 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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