CVE Database


Impact: Important
Public: 2014-04-11
Bugzilla: 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 and NIST NVD.


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

CVSS v2 metrics

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
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2014:0557 May 27, 2014
Red Hat Enterprise Linux Server EUS (v. 6.4) (kernel) RHSA-2014:1101 August 27, 2014
Red Hat Enterprise Linux version 6 (kernel) RHSA-2014:0981 July 29, 2014
Red Hat Enterprise Linux version 7 (kernel) RHSA-2014:0786 June 24, 2014

External References

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For clarification or corrections please contact the Red Hat Security Response Team.