What is CVE-2011-2492?

CVE-2011-2492 is a Low severity Linux kernel vulnerability with a CVSS score of 1.9 out of 10, classified as a Information Exposure flaw (CWE-200). CVE-2011-2492 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2011-2492?

CVE-2011-2492 has a CVSS score of 1.9 out of 10, rated Low severity. The vector string is AV:L/AC:M/Au:N/C:P/I:N/A:N.

Is there a patch available for CVE-2011-2492?

No patch is currently available for CVE-2011-2492. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2011-2492 actively exploited?

CVE-2011-2492 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Information Exposure (CWE-200)?

The product exposes sensitive information to an actor not authorised to see it. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/200.html

CVE-2011-2492

Low

The bluetooth subsystem in the Linux kernel before 3.0-rc4 does not properly initialize certain data structures, which allows local users to obtain potentially sensitive information from kernel memory via a crafted getsockopt system call, related to (1) the l2cap_sock_getsockopt_old function in net/bluetooth/l2cap_sock.c and (2) the rfcomm_sock_getsockopt_old function in net/bluetooth/rfcomm/sock.c.

Package Linux Kernel

Published 2011-07-28

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

1.9

out of 10

Low

Attack Vector

Local

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

None

Availability

None

Vector string

AV:L/AC:M/Au:N/C:P/I:N/A:N

Weakness type

CWE-200

CVE-2011-2492 is a Information Exposure vulnerability

What is Information Exposure?

The product exposes sensitive information to an actor not authorised to see it. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2011-2492 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Marc
http://marc.info/?l=bugtraq&m=139447903326211&w=2

Third Party Advisory
Permalink
http://permalink.gmane.org/gmane.linux.bluez.kernel/12909

Broken Link
Red Hat
http://rhn.redhat.com/errata/RHSA-2011-0927.html

Third Party Advisory
Securitytracker
http://securitytracker.com/id?1025778

Third Party Advisory VDB Entry
Kernel.org
http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc4

Broken Link
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8d03e971cf403305217b8e62db3a2e5ad2d6263f
Patch
Kernel patch commit
http://www.openwall.com/lists/oss-security/2011/06/24/2
Patch
Kernel patch commit
http://www.openwall.com/lists/oss-security/2011/06/24/3
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2011-2492

Severity Low

CVSS score 1.9 / 10

CVSS version 2.0

Published 2011-07-28

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2011-2492?

CVE-2011-2492 is a Low severity Linux kernel vulnerability with a CVSS score of 1.9 out of 10 , classified as an Information Exposure flaw (CWE-200) . CVE-2011-2492 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2011-2492?

CVE-2011-2492 has a CVSS score of 1.9 out of 10, rated Low severity (CVSS 2.0). The vector string is AV:L/AC:M/Au:N/C:P/I:N/A:N.
Is there a patch available for CVE-2011-2492?

No patch is currently available for CVE-2011-2492. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2011-2492 actively exploited?

No — CVE-2011-2492 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Information Exposure (CWE-200)?

The product exposes sensitive information to an actor not authorised to see it. View CWE-200 on MITRE CWE →