Is CVE-2011-4611 being actively exploited?

CVE-2011-4611 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-4611?

CVE-2011-4611 has a CVSS 2.0 base score of 4.9 (MEDIUM).

CVE-2011-4611

MEDIUM · CVSS 4.9EPSS 0.4%EU EUVD

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.

Key facts

CVSS score: 4.9 (v2.0)
Severity: MEDIUM
CVSS vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-189
EPSS score: 0.4% (34th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-4535)
Published: May 17, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-4535 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

linux / linux kernel

References

http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39(Broken Link)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0837e3242c73566fc1c0196b4ec61779c25ffc93
http://www.openwall.com/lists/oss-security/2011/12/15/2(Mailing List, Third Party Advisory)
https://bugzilla.redhat.com/show_bug.cgi?id=767914(Issue Tracking, Third Party Advisory)
https://github.com/torvalds/linux/commit/0837e3242c73566fc1c0196b4ec61779c25ffc93(Patch, Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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