What is CVE-2011-4611?

CVE-2011-4611 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10. CVE-2011-4611 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

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

CVE-2011-4611 has a CVSS score of 4.9 out of 10, rated Medium severity. The vector string is AV:L/AC:L/Au:N/C:N/I:N/A:C.

Is there a patch available for CVE-2011-4611?

No patch is currently available for CVE-2011-4611. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2011-4611 actively exploited?

CVE-2011-4611 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2011-4611

Medium

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.

Package Linux Kernel

Published 2012-05-17

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

4.9

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

None

Availability

Vector string

AV:L/AC:L/Au:N/C:N/I:N/A:C

Weakness type

CWE-189

CVE-2011-4611 is classified as CWE-189

See CWE-189 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2011-4611 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Ftp
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39

Broken Link
Openwall
http://www.openwall.com/lists/oss-security/2011/12/15/2

Mailing List Third Party Advisory
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=767914

Issue Tracking Third Party Advisory
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0837e3242c73566fc1c0196b4ec61779c25ffc93
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/0837e3242c73566fc1c0196b4ec61779c25ffc93
Patch

Details

CVE ID CVE-2011-4611

Severity Medium

CVSS score 4.9 / 10

CVSS version 2.0

Published 2012-05-17

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2011-4611?

CVE-2011-4611 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10 . CVE-2011-4611 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2011-4611?

CVE-2011-4611 has a CVSS score of 4.9 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:N/I:N/A:C.
Is there a patch available for CVE-2011-4611?

No patch is currently available for CVE-2011-4611. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2011-4611 actively exploited?

No — CVE-2011-4611 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.