GSD-2022-1004371 x86/speculation: Fill RSB on vmexit for IBRS
The Linux kernel failed to fill the Return Stack Buffer on VM exit for IBRS, potentially allowing speculative execution attacks.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1004371?
GSD-2022-1004371 is a vulnerability in Kernel, published on 31 Jul 2022.
Official description
x86/speculation: Fill RSB on vmexit for IBRS
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 v5.15.57 by commit 8d5cff499a6d740c91ff37963907e0e983c37f0f. For more details please see the references link.
Which versions are affected by GSD-2022-1004371?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004371?
No fix has been published for GSD-2022-1004371 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004371 being exploited?
There is no known exploitation of GSD-2022-1004371 in the wild and no public exploit code.