GSD-2022-1000399 net: dsa: lantiq_gswip: fix use after free in gswip_remove()

Not scored Published

A use-after-free vulnerability in the Lantiq GSWIP network driver allows local attackers with high privileges to potentially execute code or escalate privileges.

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

What is GSD-2022-1000399?

GSD-2022-1000399 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

net: dsa: lantiq_gswip: fix use after free in gswip_remove()

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 v5.10.102 by commit f48bd34137718042872d06f2c7332b3267a29165, it was introduced in version v5.10.101 by commit e177d2e85ebcd3008c4b2abc293f4118e04eedef. For more details please see the references link.

Which versions are affected by GSD-2022-1000399?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1000399?

No fix has been published for GSD-2022-1000399 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-2022-1000399 being exploited?

There is no known exploitation of GSD-2022-1000399 in the wild and no public exploit code.

Sources

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