GSD-2022-1006930 nilfs2: fix use-after-free bug of struct nilfs_root

Not scored Published

A use-after-free bug in the nilfs2 filesystem allows local attackers to potentially execute code or escalate privileges.

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

What is GSD-2022-1006930?

GSD-2022-1006930 is an use after free vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network.

Official description

nilfs2: fix use-after-free bug of struct nilfs_root

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 v6.0.2 by commit 6251c9c0430d70cc221d0bb907b278bd99d7b066. For more details please see the references link.

Which versions are affected by GSD-2022-1006930?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1006930?

No fix has been published for GSD-2022-1006930 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-2022-1006930 being exploited?

There is no known exploitation of GSD-2022-1006930 in the wild and no public exploit code.

Sources

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