CVE-2011-4611

Description

Integer overflow in the perf_event_interrupt function in arch/powerpc/kernel/perf_event.c in the Linux kernel before 2.6.39 on powerpc platforms allows local users to cause a denial of service (unhandled performance monitor exception) via vectors that trigger certain outcomes of performance events.

Category

4.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.05%
Third-Party Advisory openwall.com Third-Party Advisory redhat.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2011/12/15/2 third party advisory mailing list
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 broken link
https://github.com/torvalds/linux/commit/0837e3242c73566fc1c0196b4ec61779c25ffc93 third party advisory patch
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0837e3242c73566fc1c0196b4ec61779c25ffc93
https://bugzilla.redhat.com/show_bug.cgi?id=767914 issue tracking third party advisory

Frequently Asked Questions

What is the severity of CVE-2011-4611?
CVE-2011-4611 has been scored as a medium severity vulnerability.
How to fix CVE-2011-4611?
To fix CVE-2011-4611, 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-2011-4611 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-4611 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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