GSD-2021-1001028 btrfs: promote debugging asserts to full-fledged checks in validate_super
Insufficient validation in the btrfs filesystem superblock parsing can lead to system crashes or instability, requiring kernel updates.
- 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-2021-1001028?
GSD-2021-1001028 is a denial of service vulnerability in Kernel, published on 30 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
btrfs: promote debugging asserts to full-fledged checks in validate_super
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 v5.12.11 by commit 7253a49994576d0d61ba5136d6cbd3ac9e819447. For more details please see the references link.
Which versions are affected by GSD-2021-1001028?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001028?
No fix has been published for GSD-2021-1001028 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2021-1001028 being exploited?
There is no known exploitation of GSD-2021-1001028 in the wild and no public exploit code.