CVE-2017-11334

Impact:
Moderate
Public Date:
2017-07-13
CWE:
CWE-787
Bugzilla:
1471638: CVE-2017-11334 Qemu: exec: oob access during dma operation
Quick Emulator (QEMU), compiled with qemu_map_ram_ptr to access guests' RAM block area, is vulnerable to an OOB r/w access issue. The crash can occur if a privileged user inside a guest conducts certain DMA operations, resulting in a DoS.

Find out more about CVE-2017-11334 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse):
This vulnerability has been rated as having a security impact of Moderate. After evaluation and in accordance with the criteria noted in the product support life cycle, there are no plans to address this issue in an upcoming release. Please contact Red Hat Support for further information.

CVSS v2 metrics

Base Score 3.8
Base Metrics AV:A/AC:M/Au:S/C:N/I:P/A:P
Access Vector Adjacent Network
Access Complexity Medium
Authentication Single
Confidentiality Impact None
Integrity Impact Partial
Availability Impact Partial

CVSS v3 metrics

CVSS3 Base Score 5.5
CVSS3 Base Metrics CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
Attack Vector Adjacent Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality Low
Integrity Impact Low
Availability Impact Low

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts (qemu-kvm-rhev) RHSA-2017:3369 2017-11-30
Red Hat OpenStack Platform 10 (qemu-kvm-rhev) RHSA-2017:3474 2017-12-14
Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 (qemu-kvm-rhev) RHSA-2017:3472 2017-12-14
Red Hat OpenStack Platform 11.0 (Ocata) (qemu-kvm-rhev) RHSA-2017:3466 2017-12-14
Red Hat OpenStack Platform 9.0 (qemu-kvm-rhev) RHSA-2017:3470 2017-12-14
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 (qemu-kvm-rhev) RHSA-2017:3473 2017-12-14
Red Hat OpenStack Platform 8.0 (Liberty) (qemu-kvm-rhev) RHSA-2017:3471 2017-12-14

Affected Packages State

Platform Package State
Red Hat OpenStack Platform 12.0 qemu-kvm-rhev Not affected
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) qemu-kvm-rhev Will not fix
Red Hat Enterprise Linux 7 qemu-kvm Not affected
Red Hat Enterprise Linux 6 qemu-kvm Not affected
Red Hat Enterprise Linux 6 qemu-kvm-rhev Not affected
Red Hat Enterprise Linux 5 kvm Not affected
Red Hat Enterprise Linux 5 xen 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.

Acknowledgements

Red Hat would like to thank Alex for reporting this issue.
Last Modified