CVE-2016-7423

Name: CVE-2016-7423
Creator: NVD / NIST
Published: 2016-10-10T16:59:02.34+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.4/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2016-7423 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. The mptsas_process_scsi_io_request function in QEMU (aka Quick Emulator), when built with LSI SAS1068 Host Bus emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via vectors involving MPTSASRequest objects.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

The mptsas_process_scsi_io_request function in QEMU (aka Quick Emulator), when built with LSI SAS1068 Host Bus emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via vectors involving MPTSASRequest objects.

Metrics

CVSS 3.1

4.4/10

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

EPSS Probability

0.40%

31.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Qemu	Qemu	<= 2.7.1

References

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=670e56d3ed2918b3861d9216f2c0540d9e9ae0d5
http://www.openwall.com/lists/oss-security/2016/09/16/11Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/16/5Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/92997Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1376776Issue Tracking, Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03604.htmlMailing List, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201611-11Third Party Advisory
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=670e56d3ed2918b3861d9216f2c0540d9e9ae0d5
http://www.openwall.com/lists/oss-security/2016/09/16/11Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/16/5Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/92997Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1376776Issue Tracking, Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03604.htmlMailing List, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201611-11Third Party Advisory

Timeline

Published: Oct 10, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-7423?

How severe is CVE-2016-7423?

CVE-2016-7423 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2016-7423?

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-2016-7423?

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

Scan your code now

Source: NVD / NIST