GSD-2021-1000494 btrfs: fix removed dentries still existing after log is synced
A bug in the btrfs filesystem allows removed dentries to persist after log sync, potentially causing filesystem inconsistencies or resource leaks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1000494?
GSD-2021-1000494 is a vulnerability in Kernel, published on 31 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
btrfs: fix removed dentries still existing after log is synced
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 v5.12.7 by commit 6d0924c5b742036b4f20a0ffdf2b6cf3f963f5f6, it was introduced in version v5.12 by commit 64d6b281ba4db044c946158387c74e1149b9487e. For more details please see the references link.
Which versions are affected by GSD-2021-1000494?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000494?
No fix has been published for GSD-2021-1000494 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000494 being exploited?
There is no known exploitation of GSD-2021-1000494 in the wild and no public exploit code.