CVE-2016-5412

Impact:
Moderate
Public Date:
2016-07-28
CWE:
CWE-835
Bugzilla:
1349916: CVE-2016-5412 Kernel: powerpc: kvm: Infinite loop via H_CEDE hypercall when running under hypervisor-mode

The MITRE CVE dictionary describes this issue as:

arch/powerpc/kvm/book3s_hv_rmhandlers.S in the Linux kernel through 4.7 on PowerPC platforms, when CONFIG_KVM_BOOK3S_64_HV is enabled, allows guest OS users to cause a denial of service (host OS infinite loop) by making a H_CEDE hypercall during the existence of a suspended transaction.

Find out more about CVE-2016-5412 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue does not affect the versions of Linux kernel as shipped with
Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG 2.

This issue affects the version of the kernel packages as shipped with
Red Hat Enterprise Linux 7. Future kernel updates for Red Hat Enterprise Linux 7 may address this issue.

CVSS v2 metrics

Base Score 4.3
Base Metrics AV:A/AC:H/Au:S/C:N/I:N/A:C
Access Vector Adjacent Network
Access Complexity High
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete

CVSS v3 metrics

CVSS3 Base Score 5.4
CVSS3 Base Metrics CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H
Attack Vector Adjacent Network
Attack Complexity High
Privileges Required High
User Interaction None
Scope Changed
Confidentiality None
Integrity Impact None
Availability Impact High

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 7 (kernel) RHSA-2016:2574 2016-11-03

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Not affected
Red Hat Enterprise Linux 7 kernel-rt 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.
Last Modified

CVE description copyright © 2017, The MITRE Corporation