CVE-2014-4943

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    CVE-2014-4943

    Published: 19 Jul 2014Last Modified: 10 Apr 2026

    Summary:

    Details: The PPPoL2TP feature in net/l2tp/l2tp_ppp.c in the Linux kernel through 3.15.6 allows local users to gain privileges by leveraging data-structure differences between an l2tp socket and an inet socket.

    References: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3cf521f7dc87c031617fd47e4b7aa2593c2f3daf, http://linux.oracle.com/errata/ELSA-2014-0924.html, http://linux.oracle.com/errata/ELSA-2014-3047.html, http://linux.oracle.com/errata/ELSA-2014-3048.html, http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html, http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html, http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html, http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html, http://openwall.com/lists/oss-security/2014/07/17/1, http://rhn.redhat.com/errata/RHSA-2014-1025.html, http://secunia.com/advisories/59790, http://secunia.com/advisories/60011, http://secunia.com/advisories/60071, http://secunia.com/advisories/60220, http://secunia.com/advisories/60380, http://secunia.com/advisories/60393, http://www.debian.org/security/2014/dsa-2992, http://www.exploit-db.com/exploits/36267, http://www.securitytracker.com/id/1030610, https://bugzilla.redhat.com/show_bug.cgi?id=1119458, https://exchange.xforce.ibmcloud.com/vulnerabilities/94665, https://github.com/torvalds/linux/commit/3cf521f7dc87c031617fd47e4b7aa2593c2f3daf, http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html, http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html, http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html, http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html, http://openwall.com/lists/oss-security/2014/07/17/1, https://github.com/torvalds/linux/commit/3cf521f7dc87c031617fd47e4b7aa2593c2f3daf, https://bugzilla.redhat.com/show_bug.cgi?id=1119458, http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3cf521f7dc87c031617fd47e4b7aa2593c2f3daf, http://osvdb.org/show/osvdb/109277

    Affected packages

    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