GSD-2021-1000890 dm verity: fix require_signatures module_param permissions
Incorrect permissions on the dm verity require_signatures module parameter allow bypassing signature verification, potentially enabling unsigned code execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1000890?
GSD-2021-1000890 is a 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
dm verity: fix require_signatures module_param permissions
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 v5.4.126 by commit ece8ad75e31856f429b90cba30c8c6ff6a82e0dd. For more details please see the references link.
Which versions are affected by GSD-2021-1000890?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000890?
No fix has been published for GSD-2021-1000890 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000890 being exploited?
There is no known exploitation of GSD-2021-1000890 in the wild and no public exploit code.