GSD-2022-1003663 x86/speculation/mmio: Add mitigation for Processor MMIO Stale Data
A local attacker can exploit MMIO Stale Data speculation to read sensitive memory contents from the Linux kernel.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1003663?
GSD-2022-1003663 is a vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
x86/speculation/mmio: Add mitigation for Processor MMIO Stale Data
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 v5.4.199 by commit 0800f1b45bf6d85e5a168db9ae91fb816f0a8c34. For more details please see the references link.
Which versions are affected by GSD-2022-1003663?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003663?
No fix has been published for GSD-2022-1003663 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1003663 being exploited?
There is no known exploitation of GSD-2022-1003663 in the wild and no public exploit code.