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    CVE-2012-3520

    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.

    Published:Aug 21, 2012
    Last Modified:Apr 11, 2025
    EPS:Oct 3, 2012
    EPSS Score:0.00062
    CVSS Score:1.9

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Mrg

    Exploits

    https://github.com/torvalds/linux/commit/e0e3cea46d31d23dc40df0a49a7a2c04fe8edfeahttps://github.com/torvalds/linux/commit/e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea

    Common Weakness Enumeration

    CWE-287 Improper Authentication

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    References

    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea
    http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00005.html
    http://lists.opensuse.org/opensuse-updates/2013-02/msg00018.html
    http://secunia.com/advisories/50848
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.30
    http://www.openwall.com/lists/oss-security/2012/08/22/1
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
    http://www.securityfocus.com/bid/55152
    http://www.ubuntu.com/usn/USN-1599-1
    http://www.ubuntu.com/usn/USN-1610-1
    https://bugzilla.redhat.com/show_bug.cgi?id=850449
    https://github.com/torvalds/linux/commit/e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea
    http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00005.html
    http://lists.opensuse.org/opensuse-updates/2013-02/msg00018.html
    http://secunia.com/advisories/50848
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.30
    http://www.openwall.com/lists/oss-security/2012/08/22/1
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
    http://www.securityfocus.com/bid/55152
    http://www.ubuntu.com/usn/USN-1599-1
    http://www.ubuntu.com/usn/USN-1610-1
    https://bugzilla.redhat.com/show_bug.cgi?id=850449
    https://github.com/torvalds/linux/commit/e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea

    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