CVE-2014-2568

Severity: low (CVSS 2.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2014-03-24 · updated 2026-06-17
Weakness: CWE-416

Description

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.

Affected products

Canonical Ubuntu Linux: 14.04
Linux kernel: from 3.0 through 3.13.6

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://secunia.com/advisories/59599
http://www.openwall.com/lists/oss-security/2014/03/20/16
http://www.securityfocus.com/bid/66348

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