CVE-2016-1568

Impact:
Important
Public Date:
2016-01-08
CWE:
CWE-416
Bugzilla:
1288532: CVE-2016-1568 Qemu: ide: ahci use-after-free vulnerability in aio port commands
A use-after-free flaw was found in the way QEMU's IDE AHCI emulator processed certain AHCI Native Command Queuing (NCQ) AIO commands. A privileged guest user could use this flaw to crash the QEMU process instance or, potentially, execute arbitrary code on the host with privileges of the QEMU process.

Find out more about CVE-2016-1568 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 4
Base Metrics AV:A/AC:H/Au:S/C:P/I:P/A:P
Access Vector Adjacent Network
Access Complexity High
Authentication Single
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial

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 OpenStack Platform 6.0 (Juno) for RHEL 7 (qemu-kvm-rhev) RHSA-2016:0087 2016-01-28
Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts (qemu-kvm-rhev) RHSA-2016:0084 2016-01-28
Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 (qemu-kvm-rhev) RHSA-2016:0088 2016-01-28
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 (qemu-kvm-rhev) RHSA-2016:0086 2016-01-28
RHEV Power Host (qemu-kvm-rhev) RHSA-2016:0084 2016-01-28

Affected Packages State

Platform Package State
Red Hat OpenStack Platform 8.0 (Liberty) qemu-kvm-rhev Affected
Red Hat Enterprise Linux 7 qemu-kvm 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

Acknowledgements

Red Hat would like to thank Qinghao Tang of Qihoo 360 Marvel Team for reporting this issue.

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