GSD-2021-1001208 f2fs: fix to avoid racing on fsync_entry_slab by multi filesystem instances
A race condition in the f2fs filesystem allows local attackers to cause a denial of service via concurrent fsync operations.
- 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-2021-1001208?
GSD-2021-1001208 is a vulnerability in Kernel, published on 3 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
f2fs: fix to avoid racing on fsync_entry_slab by multi filesystem instances
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 v5.13.3 by commit e472b276a0d2180808009be38105e12754432e2a. For more details please see the references link.
Which versions are affected by GSD-2021-1001208?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001208?
No fix has been published for GSD-2021-1001208 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001208 being exploited?
There is no known exploitation of GSD-2021-1001208 in the wild and no public exploit code.