GSD-2022-1004147 KVM: VMX: Prevent RSB underflow before vmenter
A Return Stack Buffer underflow in KVM VMX could allow local attackers to leak sensitive kernel memory information.
- 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-2022-1004147?
GSD-2022-1004147 is a vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
KVM: VMX: Prevent RSB underflow before vmenter
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 v5.18.14 by commit afd743f6dde87296c6f3414706964c491bb85862. For more details please see the references link.
Which versions are affected by GSD-2022-1004147?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004147?
No fix has been published for GSD-2022-1004147 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004147 being exploited?
There is no known exploitation of GSD-2022-1004147 in the wild and no public exploit code.