CVE-2014-2568

Impact:
Low
Public Date:
2014-03-18
Bugzilla:
1079012: CVE-2014-2568 kernel: net: potential information leak when ubuf backed skbs are skb_zerocopy()ied

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2014-2568 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG 2.

CVSS v2 metrics

Base Score 2.9
Base Metrics AV:A/AC:M/Au:N/C:P/I:N/A:N
Access Vector Adjacent Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (kernel) RHSA-2014:0786 2014-06-24

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Not affected
Red Hat Enterprise Linux 6 kernel Not affected
Red Hat Enterprise Linux 5 kernel Not affected
Last Modified

CVE description copyright © 2017, The MITRE Corporation