UBUNTU-CVE-2012-3520

    Dashboard / Vulnerabilities / UBUNTU-CVE-2012-3520

    UBUNTU-CVE-2012-3520

    Published: 3 Oct 2012Last Modified: 4 Feb 2026
    Upstream:
    CVE-2012-3520

    Summary:

    Details: The Netlink implementation in the Linux kernel before 3.2.30 does not properly handle messages that lack SCM_CREDENTIALS data, which might allow local users to spoof Netlink communication via a crafted message, as demonstrated by a message to (1) Avahi or (2) NetworkManager.

    References: https://ubuntu.com/security/CVE-2012-3520, http://www.openwall.com/lists/oss-security/2012/08/22/1, https://ubuntu.com/security/notices/USN-1599-1, https://ubuntu.com/security/notices/USN-1610-1, https://www.cve.org/CVERecord?id=CVE-2012-3520

    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