GSD-2022-1004550 x86/speculation: Disable RRSBA behavior
The Linux kernel fails to disable Return Stack Buffer Underflow (RSB) speculation, potentially allowing local attackers 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-2022-1004550?
GSD-2022-1004550 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/speculation: Disable RRSBA behavior
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 v5.10.133 by commit eb38964b6ff864b8bdf87c9cf6221d0b0611a990. For more details please see the references link.
Which versions are affected by GSD-2022-1004550?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004550?
No fix has been published for GSD-2022-1004550 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004550 being exploited?
There is no known exploitation of GSD-2022-1004550 in the wild and no public exploit code.