What is CVE-2011-2497?

CVE-2011-2497 is a High severity Linux kernel vulnerability with a CVSS score of 8.3 out of 10. CVE-2011-2497 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2011-2497?

CVE-2011-2497 has a CVSS score of 8.3 out of 10, rated High severity. The vector string is AV:A/AC:L/Au:N/C:C/I:C/A:C.

Is there a patch available for CVE-2011-2497?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2011-2497 patch availability.

Is CVE-2011-2497 actively exploited?

CVE-2011-2497 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2011-2497

High

Integer underflow in the l2cap_config_req function in net/bluetooth/l2cap_core.c in the Linux kernel before 3.0 allows remote attackers to cause a denial of service (heap memory corruption) or possibly have unspecified other impact via a small command-size value within the command header of a Logical Link Control and Adaptation Protocol (L2CAP) configuration request, leading to a buffer overflow.

Package Linux Kernel

Published 2011-08-29

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

8.3

out of 10

High

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

Availability

Vector string

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

Weakness type

CWE-191

CVE-2011-2497 is classified as CWE-191

See CWE-191 on MITRE CWE for full details on this weakness type.

References

9 total

Marc
http://marc.info/?l=linux-kernel&m=130891911909436&w=2

Patch Third Party Advisory
Securityreason
http://securityreason.com/securityalert/8359

Patch Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2011/06/24/9

Mailing List Patch Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2011/06/27/3

Mailing List Patch Third Party Advisory
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=716805

Issue Tracking Patch Third Party Advisory

Showing 5 of 9 references View all on NVD

Details

CVE ID CVE-2011-2497

Severity High

CVSS score 8.3 / 10

CVSS version 2.0

Published 2011-08-29

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2011-2497?

CVE-2011-2497 is a High severity Linux kernel vulnerability with a CVSS score of 8.3 out of 10 . CVE-2011-2497 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2011-2497?

CVE-2011-2497 has a CVSS score of 8.3 out of 10, rated High severity (CVSS 2.0). The vector string is AV:A/AC:L/Au:N/C:C/I:C/A:C.
Is there a patch available for CVE-2011-2497?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2011-2497 patch availability.
Is CVE-2011-2497 actively exploited?

No. CVE-2011-2497 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.