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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.

Details Source

Red Hat


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

Public Date

2014-04-11 00:00:00




CVE-2014-2851 kernel: net: ping: refcount issue in ping_init_sock() function

Bugzilla ID

1 086 730

CVSS Status


Base Score


Base Metrics


Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (kernel) RHSA-2014:0981 2014-07-29
Red Hat Enterprise Linux 7 (kernel) RHSA-2014:0786 2014-06-24
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2014:0557 2014-05-27
Red Hat Enterprise Linux Extended Update Support 6.4 (kernel) RHSA-2014:1101 2014-08-27

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Affected
Red Hat Enterprise Linux 5 kernel Not affected