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CVE-2011-2497 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7ac28817536797fd40e9646452183606f9e17f71	CVE
http://marc.info/?l=linux-kernel&m=130891911909436&w=2	CVE	PatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=716805	CVE	Issue TrackingPatchThird Party Advisory
http://securityreason.com/securityalert/8359	CVE	PatchThird Party Advisory
http://www.kernel.org/pub/linux/kernel/v3.0/ChangeLog-3.0	CVE	Broken Link
http://www.openwall.com/lists/oss-security/2011/06/24/9	CVE	Mailing ListPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2011/06/27/3	CVE	Mailing ListPatchThird Party Advisory
http://www.osvdb.org/74679	CVE	Broken Link
http://www.securityfocus.com/bid/48472	CVE	Third Party AdvisoryVDB Entry
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7ac28817536797fd40e9646452183606f9e17f71	[email protected]
http://marc.info/?l=linux-kernel&m=130891911909436&w=2	[email protected]	PatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=716805	[email protected]	Issue TrackingPatchThird Party Advisory
http://securityreason.com/securityalert/8359	[email protected]	PatchThird Party Advisory
http://www.kernel.org/pub/linux/kernel/v3.0/ChangeLog-3.0	[email protected]	Broken Link
http://www.openwall.com/lists/oss-security/2011/06/24/9	[email protected]	Mailing ListPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2011/06/27/3	[email protected]	Mailing ListPatchThird Party Advisory
http://www.osvdb.org/74679	[email protected]	Broken Link
http://www.securityfocus.com/bid/48472	[email protected]	Third Party AdvisoryVDB Entry

see all 18 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-191	Integer Underflow (Wrap or Wraparound)	[email protected]

Affected Products

Product	Versions
linux linux kernel	< 3.0
CPE cpe:2.3:o:linux:linux_kernel:::::::: Remediation No remediation found in references.

Change History

8 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 29, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Feb 13, 2023	CVE Modified	[email protected]
Feb 2, 2023	CVE Modified	[email protected]
Jul 31, 2020	Reanalysis	[email protected]
Aug 30, 2011	Initial Analysis	[email protected]