GSD-2021-1001000 x86/ioremap: Map EFI-reserved memory as encrypted for SEV
Improper memory mapping for EFI-reserved memory in SEV-enabled Linux kernels may allow information disclosure.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1001000?
GSD-2021-1001000 is a vulnerability in Kernel, published on 30 Jun 2021.
Official description
x86/ioremap: Map EFI-reserved memory as encrypted for SEV
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 v5.10.46 by commit 208bb686e7fa7fff16e8fa78ff0db34aa9acdbd7, it was introduced in version v5.10 by commit 58c909022a5a56cd1d9e89c8c5461fd1f6a27bb5. For more details please see the references link.
Which versions are affected by GSD-2021-1001000?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001000?
No fix has been published for GSD-2021-1001000 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001000 being exploited?
There is no known exploitation of GSD-2021-1001000 in the wild and no public exploit code.