GSD-2021-1000106 md/raid1: properly indicate failure when ending a failed write request
A flaw in the Linux Kernel RAID1 driver fails to properly indicate write failures, potentially leading to denial of service.
- 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-2021-1000106?
GSD-2021-1000106 is a denial of service 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
md/raid1: properly indicate failure when ending a failed write request
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 v5.11.20 by commit 59452e551784b7a57a45d971727e9db63b192515, it was introduced in version v5.4 by commit eeba6809d8d58908b5ed1b5ceb5fcb09a98a7cad. For more details please see the references link.
Which versions are affected by GSD-2021-1000106?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000106?
No fix has been published for GSD-2021-1000106 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-2021-1000106 being exploited?
There is no known exploitation of GSD-2021-1000106 in the wild and no public exploit code.