GSD-2023-1001740 btrfs: fix race between quota rescan and disable leading to NULL pointer deref

Not scored Published

A race condition in the Linux kernel btrfs filesystem can lead to a NULL pointer dereference, causing a system crash.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is GSD-2023-1001740?

GSD-2023-1001740 is a vulnerability in Kernel, published on 31 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

btrfs: fix race between quota rescan and disable leading to NULL pointer deref

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 v5.15.90 by commit 64287cd456a22373053998c1fccf14b651e9cbbd, it was introduced in version v5.15.22 by commit 89d4cca583fc9594ee7d1a0bc986886d6fb587e6. For more details please see the references link.

Which versions are affected by GSD-2023-1001740?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2023-1001740?

No fix has been published for GSD-2023-1001740 yet. Limit exposure of the affected software until one is available.

Is GSD-2023-1001740 being exploited?

There is no known exploitation of GSD-2023-1001740 in the wild and no public exploit code.

Sources

Is GSD-2023-1001740 in your software?

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