What is the severity of CVE-2021-28713?

CVE-2021-28713 has a high severity rating which indicates it poses a significant risk of denial of service (DoS) to virtual guests.

How do I fix CVE-2021-28713?

To fix CVE-2021-28713, it is recommended to upgrade to the latest patched versions of the affected Linux packages.

What impact does CVE-2021-28713 have on affected systems?

CVE-2021-28713 can lead to a denial of service condition by allowing rogue backends to generate high frequency events.

Which software is affected by CVE-2021-28713?

CVE-2021-28713 affects various versions of Debian Linux and Xen hypervisor as detailed in the vulnerability announcement.

Is CVE-2021-28713 exploitable?

Yes, CVE-2021-28713 is exploitable in configurations that allow unprivileged guests to run PV backends.

Vulnerability/
CVE-2021-28713

medium

6.5

5/1/2022

21/11/2024

CVE-2021-28713

First published: Wed Jan 05 2022(Updated: )

Last updated 29 November 2024

Credit: security@xen.org security@xen.org

Affected Software	Affected Version	How to fix
debian/linux		5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.10-1
Xen xen-unstable
Debian Debian Linux	=9.0
Debian Debian Linux	=10.0
Debian Debian Linux	=11.0

Remedy

https://xenbits.xenproject.org/xsa/advisory-391.txt

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-28713?
CVE-2021-28713 has a high severity rating which indicates it poses a significant risk of denial of service (DoS) to virtual guests.
How do I fix CVE-2021-28713?
To fix CVE-2021-28713, it is recommended to upgrade to the latest patched versions of the affected Linux packages.
What impact does CVE-2021-28713 have on affected systems?
CVE-2021-28713 can lead to a denial of service condition by allowing rogue backends to generate high frequency events.
Which software is affected by CVE-2021-28713?
CVE-2021-28713 affects various versions of Debian Linux and Xen hypervisor as detailed in the vulnerability announcement.
Is CVE-2021-28713 exploitable?
Yes, CVE-2021-28713 is exploitable in configurations that allow unprivileged guests to run PV backends.

agent/type
collector/launchpad-cve
source/Launchpad
agent/author
agent/severity
collector/mitre-cve
source/MITRE
agent/references
agent/remedy
agent/first-publish-date
collector/usn-cve
source/Ubuntu
agent/description
agent/event
agent/last-modified-date
agent/trending
agent/source
collector/security-tracker-debian
source/Debian
agent/software-canonical-lookup
agent/softwarecombine
agent/tags
collector/nvd-cve
source/NVD
agent/software-canonical-lookup-request
collector/nvd-index
package-manager/debian
vendor/xen
canonical/xen xen-unstable
vendor/debian
canonical/debian debian linux
version/debian debian linux/9.0
version/debian debian linux/10.0
version/debian debian linux/11.0

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Frequently Asked Questions

What is the severity of CVE-2021-28713?
CVE-2021-28713 has a high severity rating which indicates it poses a significant risk of denial of service (DoS) to virtual guests.
How do I fix CVE-2021-28713?
To fix CVE-2021-28713, it is recommended to upgrade to the latest patched versions of the affected Linux packages.
What impact does CVE-2021-28713 have on affected systems?
CVE-2021-28713 can lead to a denial of service condition by allowing rogue backends to generate high frequency events.
Which software is affected by CVE-2021-28713?
CVE-2021-28713 affects various versions of Debian Linux and Xen hypervisor as detailed in the vulnerability announcement.
Is CVE-2021-28713 exploitable?
Yes, CVE-2021-28713 is exploitable in configurations that allow unprivileged guests to run PV backends.