CVE-2014-2568

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.

• CWE-416

• http://seclists.org/oss-sec/2014/q1/627Mailing List, Third Party Advisory
• http://secunia.com/advisories/59599Broken Link
• http://www.openwall.com/lists/oss-security/2014/03/20/16Mailing List, Patch, Third Party Advisory
• http://www.securityfocus.com/bid/66348Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-2240-1Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1079012Issue Tracking, Third Party Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/91922Third Party Advisory, VDB Entry
• https://lkml.org/lkml/2014/3/20/421Exploit, Third Party Advisory
• http://seclists.org/oss-sec/2014/q1/627Mailing List, Third Party Advisory
• http://secunia.com/advisories/59599Broken Link
• http://www.openwall.com/lists/oss-security/2014/03/20/16Mailing List, Patch, Third Party Advisory
• http://www.securityfocus.com/bid/66348Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-2240-1Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1079012Issue Tracking, Third Party Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/91922Third Party Advisory, VDB Entry
• https://lkml.org/lkml/2014/3/20/421Exploit, Third Party Advisory

Published

Mar 24, 2014

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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