CVE-2017-7377

Name: CVE-2017-7377
Creator: NVD / NIST
Published: 2017-04-10T15:59:00.61+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6/10EPSS 0.38%

Last modified Jun 17, 2026

CVE-2017-7377 is a medium-severity vulnerability rated 6/10 on the CVSS scale. The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS privileged users to cause a denial of service (file descriptor or memory consumption) via vectors related to an already in-use fid.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

Description

The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS privileged users to cause a denial of service (file descriptor or memory consumption) via vectors related to an already in-use fid.

Metrics

CVSS 3.1

6/10

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

EPSS Probability

0.38%

30.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-772

Affected Software

Vendor	Product	Versions	Update
Qemu	Qemu	<= 2.8.1	—
Qemu	Qemu	2.9.0	Rc0
Debian	Debian Linux	8.0	—

References

http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=d63fb193e71644a073b77ff5ac6f1216f2f6cf6e
http://www.openwall.com/lists/oss-security/2017/04/03/2Mailing List, Patch, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/97319Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1437871Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing List, Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2017-03/msg05449.htmlPatch, Third Party Advisory
https://security.gentoo.org/glsa/201706-03Third Party Advisory
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=d63fb193e71644a073b77ff5ac6f1216f2f6cf6e
http://www.openwall.com/lists/oss-security/2017/04/03/2Mailing List, Patch, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/97319Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1437871Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing List, Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2017-03/msg05449.htmlPatch, Third Party Advisory
https://security.gentoo.org/glsa/201706-03Third Party Advisory

Timeline

Published: Apr 10, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-7377?

How severe is CVE-2017-7377?

CVE-2017-7377 has a CVSS score of 6/10 (MEDIUM severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.

How do I fix CVE-2017-7377?

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-2017-7377?

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

Scan your code now

Source: NVD / NIST