What is the severity of CVE-2018-15469?

CVE-2018-15469 has been rated as high severity due to the potential for denial of service in affected environments.

How do I fix CVE-2018-15469?

To fix CVE-2018-15469, update to a version of Xen later than 4.11.0 that addresses this vulnerability.

Which systems are affected by CVE-2018-15469?

CVE-2018-15469 affects Xen versions up to and including 4.11.0, as well as Debian Linux version 8.0.

What types of attacks can exploit CVE-2018-15469?

CVE-2018-15469 can be exploited by ARM guest systems making improper requests for grant table v2.

Is there a workaround for CVE-2018-15469?

The recommended action is to apply the appropriate patches, as there are no effective workarounds that fully mitigate the risks associated with CVE-2018-15469.

Vulnerability/
CVE-2018-15469

medium

6.5

CWE

400

17/8/2018

5/8/2024

CVE-2018-15469

First published: Fri Aug 17 2018(Updated: )

An issue was discovered in Xen through 4.11.x. ARM never properly implemented grant table v2, either in the hypervisor or in Linux. Unfortunately, an ARM guest can still request v2 grant tables; they will simply not be properly set up, resulting in subsequent grant-related hypercalls hitting BUG() checks. An unprivileged guest can cause a BUG() check in the hypervisor, resulting in a denial-of-service (crash).

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Xen xen-unstable	<=4.11.0
Debian GNU/Linux	=8.0

Remedy

http://xenbits.xen.org/xsa/advisory-268.html

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2018-15469?
CVE-2018-15469 has been rated as high severity due to the potential for denial of service in affected environments.
How do I fix CVE-2018-15469?
To fix CVE-2018-15469, update to a version of Xen later than 4.11.0 that addresses this vulnerability.
Which systems are affected by CVE-2018-15469?
CVE-2018-15469 affects Xen versions up to and including 4.11.0, as well as Debian Linux version 8.0.
What types of attacks can exploit CVE-2018-15469?
CVE-2018-15469 can be exploited by ARM guest systems making improper requests for grant table v2.
Is there a workaround for CVE-2018-15469?
The recommended action is to apply the appropriate patches, as there are no effective workarounds that fully mitigate the risks associated with CVE-2018-15469.

agent/type
collector/mitre-cve
source/MITRE
agent/author
agent/references
agent/weakness
agent/remedy
agent/last-modified-date
agent/severity
agent/description
agent/first-publish-date
agent/event
agent/source
agent/softwarecombine
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/xen
canonical/xen xen-unstable
version/xen xen-unstable/4.11.0
vendor/debian
canonical/debian gnu/linux
version/debian gnu/linux/8.0

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