CVE-2011-2497

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.

Category

8.3
CVSS
Severity: High
CVSS 2.0 •
EPSS 2.79% Top 15%
Third-Party Advisory securityreason.com Third-Party Advisory marc.info Third-Party Advisory openwall.com Third-Party Advisory openwall.com Third-Party Advisory securityfocus.com Third-Party Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7ac28817536797fd40e9646452183606f9e17f71
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 third party advisory patch
http://marc.info/?l=linux-kernel&m=130891911909436&w=2 mailing list third party advisory patch
http://www.securityfocus.com/bid/48472 vdb entry third party advisory
http://www.osvdb.org/74679 vdb entry broken link
http://securityreason.com/securityalert/8359 third party advisory patch
http://www.openwall.com/lists/oss-security/2011/06/27/3 mailing list third party advisory patch
https://bugzilla.redhat.com/show_bug.cgi?id=716805 issue tracking third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2011-2497?
CVE-2011-2497 has been scored as a high severity vulnerability.
How to fix CVE-2011-2497?
To fix CVE-2011-2497, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-2497 being actively exploited in the wild?
It is possible that CVE-2011-2497 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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