CVE-2014-2568

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    CVE-2014-2568

    Published: 24 Mar 2014Last Modified: 10 Apr 2026

    Summary:

    Details: Use-after-free vulnerability in the nfqnl_zcopy function in net/netfilter/nfnetlink_queue_core.c in the Linux kernel through 3.13.6 allows attackers to obtain sensitive information from kernel memory by leveraging the absence of a certain orphaning operation. NOTE: the affected code was moved to the skb_zerocopy function in net/core/skbuff.c before the vulnerability was announced.

    References: http://seclists.org/oss-sec/2014/q1/627, http://secunia.com/advisories/59599, http://www.openwall.com/lists/oss-security/2014/03/20/16, http://www.securityfocus.com/bid/66348, http://www.ubuntu.com/usn/USN-2240-1, https://bugzilla.redhat.com/show_bug.cgi?id=1079012, https://exchange.xforce.ibmcloud.com/vulnerabilities/91922, https://lkml.org/lkml/2014/3/20/421, http://seclists.org/oss-sec/2014/q1/627, http://www.openwall.com/lists/oss-security/2014/03/20/16, https://lkml.org/lkml/2014/3/20/421, http://www.openwall.com/lists/oss-security/2014/03/20/16, https://bugzilla.redhat.com/show_bug.cgi?id=1079012

    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-2014-2568 | CVE-DB