GSD-2022-1005371 KVM: x86/mmu: Treat NX as a valid SPTE bit for NPT
A KVM x86 MMU issue regarding NX bit handling in NPT was fixed in the Linux kernel, potentially affecting virtualization security.
- 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-2022-1005371?
GSD-2022-1005371 is a vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
KVM: x86/mmu: Treat NX as a valid SPTE bit for NPT
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 v5.19.2 by commit 6271f2854b9233702e236e576b885a876dde4889. For more details please see the references link.
Which versions are affected by GSD-2022-1005371?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005371?
No fix has been published for GSD-2022-1005371 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005371 being exploited?
There is no known exploitation of GSD-2022-1005371 in the wild and no public exploit code.