GSD-2021-1000688 btrfs: do not BUG_ON in link_to_fixup_dir
A BUG_ON assertion in the btrfs filesystem can cause a kernel panic, leading to a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1000688?
GSD-2021-1000688 is a denial of service vulnerability in Kernel, published on 4 Jun 2021.
Official description
btrfs: do not BUG_ON in link_to_fixup_dir
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 v4.9.271 by commit e934c4ee17b33bafb0444f2f9766cda7166d3c40, it was introduced in version by commit . For more details please see the references link.
Which versions are affected by GSD-2021-1000688?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000688?
No fix has been published for GSD-2021-1000688 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-2021-1000688 being exploited?
There is no known exploitation of GSD-2021-1000688 in the wild and no public exploit code.