GSD-2022-1007678 nilfs2: fix leak of nilfs_root in case of writer thread creation failure

Not scored Published

A memory leak in the nilfs2 filesystem can lead to resource exhaustion and denial of service when writer thread creation fails.

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-2022-1007678?

GSD-2022-1007678 is a memory corruption vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

nilfs2: fix leak of nilfs_root in case of writer thread creation failure

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 v4.9.331 by commit 81fe58e4e7f61a1f5200898e7cd4c9748f83051f, it was introduced in version v2.6.37 by commit e912a5b66837ee89fb025e67b5efeaa11930c2ce. For more details please see the references link.

Which versions are affected by GSD-2022-1007678?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1007678?

No fix has been published for GSD-2022-1007678 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is GSD-2022-1007678 being exploited?

There is no known exploitation of GSD-2022-1007678 in the wild and no public exploit code.

Sources

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