CVE-2014-9715

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    CVE-2014-9715

    Published: 27 May 2015Last Modified: 10 Apr 2026

    Summary:

    Details: include/net/netfilter/nf_conntrack_extend.h in the netfilter subsystem in the Linux kernel before 3.14.5 uses an insufficiently large data type for certain extension data, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via outbound network traffic that triggers extension loading, as demonstrated by configuring a PPTP tunnel in a NAT environment.

    References: http://rhn.redhat.com/errata/RHSA-2015-1534.html, http://rhn.redhat.com/errata/RHSA-2015-1564.html, http://www.debian.org/security/2015/dsa-3237, https://github.com/torvalds/linux/commit/223b02d923ecd7c84cf9780bb3686f455d279279, https://bugzilla.redhat.com/show_bug.cgi?id=1208684, http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=223b02d923ecd7c84cf9780bb3686f455d279279, http://marc.info/?l=netfilter-devel&m=140112364215200&w=2, http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.5, http://www.openwall.com/lists/oss-security/2015/04/08/1, http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html, http://www.securityfocus.com/bid/73953, http://www.securitytracker.com/id/1032415

    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
    CVE-2014-9715 | CVE-DB