Public Date:
1198109: CVE-2014-8171 kernel: memcg: OOM handling DoS
It was found that the Linux kernel memory resource controller's (memcg) handling of OOM (out of memory) conditions could lead to deadlocks. An attacker able to continuously spawn new processes within a single memory-constrained cgroup during an OOM event could use this flaw to lock up the system.

Find out more about CVE-2014-8171 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue does not affect the Linux kernel versions as shipped with Red Hat Enterprise Linux 5. This issue does affect the Linux kernel versions as shipped with Red Hat Enterprise Linux 6, 7 and Red Hat Enterprise MRG 2. Future updates may address this issue in the respective releases.

CVSS v2 metrics

Base Score 5.7
Base Metrics AV:A/AC:M/Au:N/C:N/I:N/A:C
Access Vector Adjacent Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
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 6 (kernel) RHSA-2015:0864 2015-04-21
Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2016:0068 2016-01-26
Red Hat Enterprise Linux for Real Time for NFV (v. 7) (kernel-rt) RHSA-2015:2411 2015-11-19
Red Hat Enterprise Linux 7 (kernel) RHSA-2015:2152 2015-11-19

Affected Packages State

Platform Package State
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.
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