CVE-2018-15746

Name: CVE-2018-15746
Creator: NVD / NIST
Published: 2018-08-29T19:29:00.67+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2018-15746 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. qemu-seccomp.c in QEMU might allow local OS guest users to cause a denial of service (guest crash) by leveraging mishandling of the seccomp policy for threads other than the main thread.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

qemu-seccomp.c in QEMU might allow local OS guest users to cause a denial of service (guest crash) by leveraging mishandling of the seccomp policy for threads other than the main thread.

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

0.50%

39.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Qemu	Qemu	<= 3.0.1

References

http://www.openwall.com/lists/oss-security/2018/08/28/6Mailing List, Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2425Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2018-08/msg04892.htmlMailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2018/08/28/6Mailing List, Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2425Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2018-08/msg04892.htmlMailing List, Patch, Third Party Advisory

Timeline

Published: Aug 29, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-15746?

qemu-seccomp.c in QEMU might allow local OS guest users to cause a denial of service (guest crash) by leveraging mishandling of the seccomp policy for threads other than the main thread.

How severe is CVE-2018-15746?

CVE-2018-15746 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2018-15746?

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-2018-15746?

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

Scan your code now

Source: NVD / NIST