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    CVE-2014-4943

    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.

    Published:Jul 16, 2014
    Last Modified:Apr 12, 2025
    EPS:Jul 19, 2014
    EPSS Score:0.01034
    CVSS Score:6.9

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Opensuse
    Product
    Opensuse
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Server Aus
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Mission Critical
    Vendor
    Suse
    Product
    Linux Enterprise Desktop
    Vendor
    Suse
    Product
    Linux Enterprise Server

    Exploits

    https://www.exploit-db.com/exploits/36267https://github.com/redes-2015/l2tp-socket-bug

    Common Weakness Enumeration

    CWE-269 Improper Privilege Management

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    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://osvdb.org/show/osvdb/109277
    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://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://osvdb.org/show/osvdb/109277
    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

    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