GSD-2023-1001070 drivers: mcb: fix resource leak in mcb_probe()

Not scored Published

A resource leak in the Linux Kernel MCB driver probe function can lead to memory 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-2023-1001070?

GSD-2023-1001070 is a denial of service vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

drivers: mcb: fix resource leak in mcb_probe()

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 v5.15.86 by commit f3686e5e8de0a03c8e70e3ee0ce3078fed612909, it was introduced in version v4.7 by commit 7bc364097a89a0a9a5e5e4989d6b3e6fb2027a9e. For more details please see the references link.

Which versions are affected by GSD-2023-1001070?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2023-1001070?

No fix has been published for GSD-2023-1001070 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is GSD-2023-1001070 being exploited?

There is no known exploitation of GSD-2023-1001070 in the wild and no public exploit code.

Sources

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