CVE-2011-2497

HIGH

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.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7ac28817536797fd40e9646452183606f9e17f71

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

http://securityreason.com/securityalert/8359

http://www.kernel.org/pub/linux/kernel/v3.0/ChangeLog-3.0

http://www.openwall.com/lists/oss-security/2011/06/24/9

http://www.openwall.com/lists/oss-security/2011/06/27/3

http://www.osvdb.org/74679

http://www.securityfocus.com/bid/48472

https://bugzilla.redhat.com/show_bug.cgi?id=716805

Details

Source: MITRE

Published: 2011-08-29

Updated: 2012-03-19

Type: CWE-189

Risk Information

CVSS v2.0

Base Score: 8.3

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

Impact Score: 10

Exploitability Score: 6.5

Severity: HIGH