GSD-2023-1001804 btrfs: fix race between quota rescan and disable leading to NULL pointer deref
A race condition in the Linux kernel btrfs filesystem can cause a NULL pointer dereference, leading to a system crash.
- 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-2023-1001804?
GSD-2023-1001804 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 v5.4.230 by commit 89ac597e3e807b91e2ebd6a7c36fec7b97290233, it was introduced in version v5.4.178 by commit 26b3901d20bf9da2c6a00cb1fb48932166f80a45. For more details please see the references link.
Which versions are affected by GSD-2023-1001804?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001804?
No fix has been published for GSD-2023-1001804 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1001804 being exploited?
There is no known exploitation of GSD-2023-1001804 in the wild and no public exploit code.