Public Date:
1070618: CVE-2014-0100 kernel: net: inet frag code race condition leading to user-after-free

The MITRE CVE dictionary describes this issue as:

Race condition in the inet_frag_intern function in net/ipv4/inet_fragment.c in the Linux kernel through 3.13.6 allows remote attackers to cause a denial of service (use-after-free error) or possibly have unspecified other impact via a large series of fragmented ICMP Echo Request packets to a system with a heavy CPU load.

Find out more about CVE-2014-0100 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue did not affect the versions of Linux kernel package as shipped with Red Hat Enterprise Linux 5 and 6 as they did not backport the commit that introduced this issue.

CVSS v2 metrics

Base Score 7.6
Base Metrics AV:N/AC:H/Au:N/C:C/I:C/A:C
Access Vector Network
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 MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2014:0557 2014-05-27

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2.5 realtime-kernel Affected
Red Hat Enterprise MRG 2.4.z realtime-kernel Not affected
Red Hat Enterprise Linux 7 kernel Not affected
Red Hat Enterprise Linux 6 kernel Not affected
Red Hat Enterprise Linux 5 kernel Not affected
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.


This issue was discovered by Nikolay Aleksandrov of Red Hat.
Last Modified

CVE description copyright © 2017, The MITRE Corporation