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

The following references provide additional information about CVE-2011-2497 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

6 patch commits total View all on NVD

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?

    No patch is currently available for CVE-2011-2497. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • 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.

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