GSD-2022-1004373 x86/entry: Add kernel IBRS implementation
The Linux kernel lacked kernel IBRS implementation, potentially allowing speculative execution side-channel attacks to bypass security mitigations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1004373?
GSD-2022-1004373 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
x86/entry: Add kernel IBRS implementation
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 62b4db57eefec6ab544749a4f0178c4f68bad835. For more details please see the references link.
Which versions are affected by GSD-2022-1004373?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004373?
No fix has been published for GSD-2022-1004373 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004373 being exploited?
There is no known exploitation of GSD-2022-1004373 in the wild and no public exploit code.