GSD-2021-1001477 virtio-blk: Fix memory leak among suspend/resume procedure

Not scored Published

A memory leak in the virtio-blk driver during suspend/resume can lead to resource exhaustion and denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is GSD-2021-1001477?

GSD-2021-1001477 is a memory corruption vulnerability in Kernel, published on 3 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

virtio-blk: Fix memory leak among suspend/resume procedure

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 v4.4.276 by commit 381bde79d11e596002edfd914e6714291826967a. For more details please see the references link.

Which versions are affected by GSD-2021-1001477?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2021-1001477?

No fix has been published for GSD-2021-1001477 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is GSD-2021-1001477 being exploited?

There is no known exploitation of GSD-2021-1001477 in the wild and no public exploit code.

Sources

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