Is CVE-2011-2497 being actively exploited?

CVE-2011-2497 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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

CVE-2011-2497 has a CVSS 2.0 base score of 8.3 (HIGH).

CVE-2011-2497

HIGH · CVSS 8.3EPSS 2.0%EU EUVD

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.

Key facts

CVSS score: 8.3 (v2.0)
Severity: HIGH
CVSS vector: AV:A/AC:L/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-191
EPSS score: 2.0% (81th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-2484)
Published: August 29, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-2484 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

linux / linux kernel

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7ac28817536797fd40e9646452183606f9e17f71
http://marc.info/?l=linux-kernel&m=130891911909436&w=2(Patch, Third Party Advisory)
http://securityreason.com/securityalert/8359(Patch, Third Party Advisory)
http://www.kernel.org/pub/linux/kernel/v3.0/ChangeLog-3.0(Broken Link)
http://www.openwall.com/lists/oss-security/2011/06/24/9(Mailing List, Patch, Third Party Advisory)
http://www.openwall.com/lists/oss-security/2011/06/27/3(Mailing List, Patch, Third Party Advisory)
http://www.osvdb.org/74679(Broken Link)
http://www.securityfocus.com/bid/48472(Third Party Advisory, VDB Entry)
https://bugzilla.redhat.com/show_bug.cgi?id=716805(Issue Tracking, Patch, Third Party Advisory)

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

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