What is the severity of CVE-2019-17344?

CVE-2019-17344 has a severity rating that indicates it can lead to a denial of service for x86 PV guest OS users.

How do I fix CVE-2019-17344?

To fix CVE-2019-17344, users should upgrade to Xen version 4.11.4+107-gef32c7afa2-1 or later.

Which versions of Xen are affected by CVE-2019-17344?

Xen versions up to 4.11.2 and select versions in the 4.14 and 4.17 series are affected by CVE-2019-17344.

Is CVE-2019-17344 specific to any Linux distribution?

Yes, CVE-2019-17344 affects Xen installations on Debian Linux versions 9.0 and 10.0.

What kind of attack does CVE-2019-17344 facilitate?

CVE-2019-17344 allows an attacker to perform a denial of service attack by exploiting long-running PTE updates.

Vulnerability/
CVE-2019-17344

medium

6.5

CWE

662

8/10/2019

5/8/2024

CVE-2019-17344

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 by leveraging a long-running operation that exists to support restartability of PTE updates.

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

Remedy

https://xenbits.xen.org/xsa/advisory-290.html

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2019-17344?
CVE-2019-17344 has a severity rating that indicates it can lead to a denial of service for x86 PV guest OS users.
How do I fix CVE-2019-17344?
To fix CVE-2019-17344, users should upgrade to Xen version 4.11.4+107-gef32c7afa2-1 or later.
Which versions of Xen are affected by CVE-2019-17344?
Xen versions up to 4.11.2 and select versions in the 4.14 and 4.17 series are affected by CVE-2019-17344.
Is CVE-2019-17344 specific to any Linux distribution?
Yes, CVE-2019-17344 affects Xen installations on Debian Linux versions 9.0 and 10.0.
What kind of attack does CVE-2019-17344 facilitate?
CVE-2019-17344 allows an attacker to perform a denial of service attack by exploiting long-running PTE updates.

collector/security-tracker-debian
agent/type
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/severity
agent/references
agent/weakness
agent/author
agent/remedy
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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