GSD-2022-1000365 scsi: qedf: Fix refcount issue when LOGO is received during TMF

Not scored Published

A refcount issue in the qedf SCSI driver can lead to a use-after-free condition, potentially causing a 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-2022-1000365?

GSD-2022-1000365 is an use after free 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

scsi: qedf: Fix refcount issue when LOGO is received during TMF

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 v5.10.101 by commit 87f187e5265bc8e3b38faef8b9db864cdd61dde7. For more details please see the references link.

Which versions are affected by GSD-2022-1000365?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1000365?

No fix has been published for GSD-2022-1000365 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is GSD-2022-1000365 being exploited?

There is no known exploitation of GSD-2022-1000365 in the wild and no public exploit code.

Sources

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