GSD-2022-1000661 dma-buf: heaps: Fix potential spectre v1 gadget

Not scored Published

A Spectre v1 gadget in the Linux kernel dma-buf heaps allows local attackers to potentially read sensitive memory.

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

What is GSD-2022-1000661?

GSD-2022-1000661 is a vulnerability in Kernel, published on 27 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

dma-buf: heaps: Fix potential spectre v1 gadget

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 v5.16.8 by commit cc8f7940d9c2d45f67b3d1a2f2b7a829ca561bed, it was introduced in version v5.5 by commit a69b0e855d3fd278ff6f09a23e1edf929538e304. For more details please see the references link.

Which versions are affected by GSD-2022-1000661?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1000661?

No fix has been published for GSD-2022-1000661 yet. Limit exposure of the affected software until one is available.

Is GSD-2022-1000661 being exploited?

There is no known exploitation of GSD-2022-1000661 in the wild and no public exploit code.

Sources

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