CVE-2019-17349

Name: CVE-2019-17349
Creator: NVD / NIST
Published: 2019-10-08T01:15:11+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.36%

Last modified Jun 17, 2026

CVE-2019-17349 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of service (infinite loop) involving a LoadExcl or StoreExcl operation.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.

Description

An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of service (infinite loop) involving a LoadExcl or StoreExcl operation.

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

0.36%

27.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-835

Affected Software

Vendor	Product	Versions
Xen	Xen	<= 4.12.1
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

http://xenbits.xen.org/xsa/advisory-295.htmlPatch, Vendor Advisory
https://seclists.org/bugtraq/2020/Jan/21Mailing List, Third Party Advisory
https://www.debian.org/security/2020/dsa-4602Third Party Advisory
https://xenbits.xen.org/xsa/advisory-295.htmlVendor Advisory
http://xenbits.xen.org/xsa/advisory-295.htmlPatch, Vendor Advisory
https://seclists.org/bugtraq/2020/Jan/21Mailing List, Third Party Advisory
https://www.debian.org/security/2020/dsa-4602Third Party Advisory
https://xenbits.xen.org/xsa/advisory-295.htmlVendor Advisory

Timeline

Published: Oct 8, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-17349?

An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of service (infinite loop) involving a LoadExcl or StoreExcl operation.

How severe is CVE-2019-17349?

CVE-2019-17349 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.

How do I fix CVE-2019-17349?

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-2019-17349?

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

Scan your code now

Source: NVD / NIST