GSD-2021-1001209 scsi: core: Fix bad pointer dereference when ehandler kthread is invalid

Not scored Published

A null pointer dereference in the Linux kernel SCSI core can cause a system crash when the error handler thread is invalid.

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-2021-1001209?

GSD-2021-1001209 is a 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

scsi: core: Fix bad pointer dereference when ehandler kthread is invalid

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 v5.13.4 by commit c1671d2d2ef8a84837eea1b4d99ca0c6a66fb691, it was introduced in version v5.13 by commit 66a834d092930cf41d809c0e989b13cd6f9ca006. For more details please see the references link.

Which versions are affected by GSD-2021-1001209?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2021-1001209?

No fix has been published for GSD-2021-1001209 yet. Limit exposure of the affected software until one is available.

Is GSD-2021-1001209 being exploited?

There is no known exploitation of GSD-2021-1001209 in the wild and no public exploit code.

Sources

Is GSD-2021-1001209 in your software?

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