GSD-2021-1001571 xen/balloon: use a kernel thread instead a workqueue

Not scored Published

A potential security issue in the Linux Kernel Xen balloon driver was addressed by replacing a workqueue with a kernel thread, though impact is unproven.

Exploited in the wild
Not known
Login needed
Not stated
Attackable
Not stated
Victim action needed
Not stated
Fix
None listed

What is GSD-2021-1001571?

GSD-2021-1001571 is a vulnerability in Kernel, published on 19 Oct 2021.

Official description

xen/balloon: use a kernel thread instead a workqueue

This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.209 by commit 6bba79c6a073741b672b0bf86a1f03c0fe47f973. For more details please see the references link.

Which versions are affected by GSD-2021-1001571?

1 open source package ship an affected version, including Kernel.

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2021-1001571?

No fix has been published for GSD-2021-1001571 yet. Limit exposure of the affected software until one is available.

Is GSD-2021-1001571 being exploited?

There is no known exploitation of GSD-2021-1001571 in the wild and no public exploit code.

Sources

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