What is CVE-2011-2517?

CVE-2011-2517 is a High severity Linux kernel vulnerability with a CVSS score of 7.2 out of 10, classified as a Buffer Overflow flaw (CWE-119). CVE-2011-2517 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2011-2517?

CVE-2011-2517 has a CVSS score of 7.2 out of 10, rated High severity. The vector string is AV:L/AC:L/Au:N/C:C/I:C/A:C.

Is there a patch available for CVE-2011-2517?

No patch is currently available for CVE-2011-2517. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2011-2517 actively exploited?

CVE-2011-2517 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/119.html

CVE-2011-2517

High

Multiple buffer overflows in net/wireless/nl80211.c in the Linux kernel before 2.6.39.2 allow local users to gain privileges by leveraging the CAP_NET_ADMIN capability during scan operations with a long SSID value.

Package Linux Kernel

Published 2012-05-24

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

7.2

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

Availability

Vector string

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

Weakness type

CWE-119

CVE-2011-2517 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2011-2517 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-2.6.39.2

Broken Link
Red Hat
http://rhn.redhat.com/errata/RHSA-2011-1212.html

Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2011/07/01/4

Mailing List Third Party Advisory
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=718152

Issue Tracking Third Party Advisory
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=208c72f4fe44fe09577e7975ba0e7fa0278f3d03
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/208c72f4fe44fe09577e7975ba0e7fa0278f3d03
Patch

Details

CVE ID CVE-2011-2517

Severity High

CVSS score 7.2 / 10

CVSS version 2.0

Published 2012-05-24

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2011-2517?

CVE-2011-2517 is a High severity Linux kernel vulnerability with a CVSS score of 7.2 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2011-2517 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2011-2517?

CVE-2011-2517 has a CVSS score of 7.2 out of 10, rated High severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:C/I:C/A:C.
Is there a patch available for CVE-2011-2517?

No patch is currently available for CVE-2011-2517. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2011-2517 actively exploited?

No — CVE-2011-2517 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. View CWE-119 on MITRE CWE →