What is the severity of CVE-2019-17343?

CVE-2019-17343 has a high severity level as it allows denial of service and potential privilege escalation for x86 PV guest OS users.

How do I fix CVE-2019-17343?

To fix CVE-2019-17343, upgrade to Xen version 4.11.4+107-gef32c7afa2-1 or later, 4.14.6-1 or later, or any patched version as specified in the advisory.

What systems are affected by CVE-2019-17343?

CVE-2019-17343 affects Xen versions up to and including 4.11.2 and specific Debian releases 9.0 and 10.0.

Can CVE-2019-17343 lead to privilege escalation?

Yes, CVE-2019-17343 can allow x86 PV guest OS users to gain elevated privileges on the host system.

What type of vulnerability is CVE-2019-17343?

CVE-2019-17343 is a denial of service and privilege escalation vulnerability impacting the HVM physmap concept in Xen.

Vulnerability/
CVE-2019-17343

medium

6.8

CWE

667

8/10/2019

5/8/2024

CVE-2019-17343

First published: Tue Oct 08 2019(Updated: )

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges by leveraging incorrect use of the HVM physmap concept for PV domains.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
debian/xen		4.11.4+107-gef32c7afa2-1 4.14.6-1 4.14.5+94-ge49571868d-1 4.17.2+76-ge1f9cb16e2-1~deb12u1 4.17.2+76-ge1f9cb16e2-1
Xen xen-unstable	<=4.11.2
Debian GNU/Linux	=9.0
Debian GNU/Linux	=10.0

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2019-17343?
CVE-2019-17343 has a high severity level as it allows denial of service and potential privilege escalation for x86 PV guest OS users.
How do I fix CVE-2019-17343?
To fix CVE-2019-17343, upgrade to Xen version 4.11.4+107-gef32c7afa2-1 or later, 4.14.6-1 or later, or any patched version as specified in the advisory.
What systems are affected by CVE-2019-17343?
CVE-2019-17343 affects Xen versions up to and including 4.11.2 and specific Debian releases 9.0 and 10.0.
Can CVE-2019-17343 lead to privilege escalation?
Yes, CVE-2019-17343 can allow x86 PV guest OS users to gain elevated privileges on the host system.
What type of vulnerability is CVE-2019-17343?
CVE-2019-17343 is a denial of service and privilege escalation vulnerability impacting the HVM physmap concept in Xen.

collector/security-tracker-debian
agent/type
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/severity
agent/references
agent/weakness
agent/author
agent/first-publish-date
agent/description
agent/event
agent/source
agent/softwarecombine
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
package-manager/debian
vendor/xen
canonical/xen xen-unstable
version/xen xen-unstable/4.11.2
vendor/debian
canonical/debian gnu/linux
version/debian gnu/linux/9.0
version/debian gnu/linux/10.0

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