CVE-2016-1568

Name: CVE-2016-1568
Creator: NVD / NIST
Published: 2016-04-12T02:00:05.243+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2016-1568 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Use-after-free vulnerability in hw/ide/ahci.c in QEMU, when built with IDE AHCI Emulation support, allows guest OS users to cause a denial of service (instance crash) or possibly execute arbitrary code via an invalid AHCI Native Command Queuing (NCQ) AIO command.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

Use-after-free vulnerability in hw/ide/ahci.c in QEMU, when built with IDE AHCI Emulation support, allows guest OS users to cause a denial of service (instance crash) or possibly execute arbitrary code via an invalid AHCI Native Command Queuing (NCQ) AIO command.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS Probability

0.53%

40.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Qemu	Qemu	<= 2.5.1.1
Redhat	Openstack	6.0
Redhat	Openstack	7.0
Redhat	Openstack	5.0
Redhat	Virtualization	3.0
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0

References

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=4ab0359a8ae182a7ac5c99609667273167703fab
http://rhn.redhat.com/errata/RHSA-2016-0084.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0086.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0087.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0088.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3469Third Party Advisory
http://www.debian.org/security/2016/dsa-3470Third Party Advisory
http://www.debian.org/security/2016/dsa-3471Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/09/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/09/2Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/80191Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1034859Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201602-01Third Party Advisory
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=4ab0359a8ae182a7ac5c99609667273167703fab
http://rhn.redhat.com/errata/RHSA-2016-0084.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0086.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0087.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0088.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3469Third Party Advisory
http://www.debian.org/security/2016/dsa-3470Third Party Advisory
http://www.debian.org/security/2016/dsa-3471Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/09/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/09/2Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/80191Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1034859Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201602-01Third Party Advisory

Timeline

Published: Apr 12, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-1568?

How severe is CVE-2016-1568?

CVE-2016-1568 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2016-1568?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-1568?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST