UBUNTU-CVE-2011-2492

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    UBUNTU-CVE-2011-2492

    Published: 28 Jul 2011Last Modified: 4 Feb 2026
    Upstream:
    CVE-2011-2492
    Aliases:
    USN-1189-1
    USN-1201-1
    USN-1202-1

    Summary:

    Details: 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.

    References: https://ubuntu.com/security/CVE-2011-2492, https://ubuntu.com/security/notices/USN-1189-1, https://ubuntu.com/security/notices/USN-1202-1, https://ubuntu.com/security/notices/USN-1205-1, https://ubuntu.com/security/notices/USN-1201-1, https://ubuntu.com/security/notices/USN-1204-1, https://ubuntu.com/security/notices/USN-1203-1, https://ubuntu.com/security/notices/USN-1208-1, https://ubuntu.com/security/notices/USN-1212-1, https://ubuntu.com/security/notices/USN-1211-1, https://ubuntu.com/security/notices/USN-1216-1, https://ubuntu.com/security/notices/USN-1218-1, https://ubuntu.com/security/notices/USN-1256-1, https://www.cve.org/CVERecord?id=CVE-2011-2492

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.11.0-12.19

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High