CVE-2017-9373

Name: CVE-2017-9373
Creator: NVD / NIST
Published: 2017-06-16T22:29:00.277+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.42%

Last modified Jun 17, 2026

CVE-2017-9373 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Memory leak in QEMU (aka Quick Emulator), when built with IDE AHCI Emulation support, allows local guest OS privileged users to cause a denial of service (memory consumption) by repeatedly hot-unplugging the AHCI device.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

Memory leak in QEMU (aka Quick Emulator), when built with IDE AHCI Emulation support, allows local guest OS privileged users to cause a denial of service (memory consumption) by repeatedly hot-unplugging the AHCI device.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.42%

33.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-401

Affected Software

Vendor	Product	Versions	Update
Qemu	Qemu	<= 2.8.1.1	—
Qemu	Qemu	2.9.0	Rc0
Debian	Debian Linux	8.0	—
Debian	Debian Linux	9.0	—

References

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=d68f0f778e7f4fbd674627274267f269e40f0b04
http://www.debian.org/security/2017/dsa-3920Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/06/05/1Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/98921Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1458270Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=d68f0f778e7f4fbd674627274267f269e40f0b04
http://www.debian.org/security/2017/dsa-3920Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/06/05/1Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/98921Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1458270Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory

Timeline

Published: Jun 16, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-9373?

How severe is CVE-2017-9373?

CVE-2017-9373 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2017-9373?

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-2017-9373?

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

Scan your code now

Source: NVD / NIST