Public Date:
1086730: CVE-2014-2851 kernel: net: ping: refcount issue in ping_init_sock() function
A use-after-free flaw was found in the way the ping_init_sock() function of the Linux kernel handled the group_info reference counter. A local, unprivileged user could use this flaw to crash the system or, potentially, escalate their privileges on the system.

Find out more about CVE-2014-2851 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue does not affect Linux kernel packages as shipped with Red Hat Enterprise Linux 5.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 6.2
Base Metrics AV:L/AC:H/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity High
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

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 version 7 (kernel) RHSA-2014:0786 2014-06-24
Red Hat Enterprise Linux Server EUS (v. 6.4) (kernel) RHSA-2014:1101 2014-08-27
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2014:0557 2014-05-27
Red Hat Enterprise Linux version 6 (kernel) RHSA-2014:0981 2014-07-29

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 kernel Not affected