What is the severity of CVE-2019-17342?

CVE-2019-17342 has been categorized as a high severity vulnerability due to its potential to cause denial of service or privilege escalation in affected systems.

How do I fix CVE-2019-17342?

To fix CVE-2019-17342, update Xen to version 4.11.4 or higher, or to an unaffected version beyond 4.11.2.

Which versions of Xen are affected by CVE-2019-17342?

CVE-2019-17342 affects Xen versions up to and including 4.11.2, along with certain versions of Debian-based systems.

What type of vulnerability is CVE-2019-17342?

CVE-2019-17342 is a race condition vulnerability that affects x86 PV guest operating systems in Xen virtualization.

Can CVE-2019-17342 be exploited remotely?

Yes, CVE-2019-17342 can potentially be exploited by malicious users with access to the guest OS, leading to privilege escalation or denial of service.

Vulnerability/
CVE-2019-17342

high

CWE

362

8/10/2019

5/8/2024

CVE-2019-17342: Race Condition

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 a race condition that arose when XENMEM_exchange was introduced.

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

http://xenbits.xen.org/xsa/advisory-287.html

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2019-17342?
CVE-2019-17342 has been categorized as a high severity vulnerability due to its potential to cause denial of service or privilege escalation in affected systems.
How do I fix CVE-2019-17342?
To fix CVE-2019-17342, update Xen to version 4.11.4 or higher, or to an unaffected version beyond 4.11.2.
Which versions of Xen are affected by CVE-2019-17342?
CVE-2019-17342 affects Xen versions up to and including 4.11.2, along with certain versions of Debian-based systems.
What type of vulnerability is CVE-2019-17342?
CVE-2019-17342 is a race condition vulnerability that affects x86 PV guest operating systems in Xen virtualization.
Can CVE-2019-17342 be exploited remotely?
Yes, CVE-2019-17342 can potentially be exploited by malicious users with access to the guest OS, leading to privilege escalation or denial of service.

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