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CVE-2011-2497

Date: August 29, 2011

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.

Language: C

Severity Score

Related Resources (13)

http://www.kernel.org/pub/linux/kernel/v3.0/ChangeLog-3.0
http://securityreason.com/securityalert/8359
https://nvd.nist.gov/vuln/detail/CVE-2011-2497
http://www.osvdb.org/74679
https://access.redhat.com/security/cve/CVE-2011-2497
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7ac28817536797fd40e9646452183606f9e17f71
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-2497
http://www.openwall.com/lists/oss-security/2011/06/24/9
http://marc.info/?l=linux-kernel&m=130891911909436&w=2
http://www.openwall.com/lists/oss-security/2011/06/27/3
https://bugzilla.redhat.com/show_bug.cgi?id=716805
http://www.securityfocus.com/bid/48472
https://www.mend.io/vulnerability-database/CVE-2011-2497

Severity Score

Weakness Type (CWE)

Numeric Errors

CWE-189

Integer Underflow (Wrap or Wraparound)

CWE-191

CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): ADJACENT
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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