GSD-2022-1007704 x86/fpu: Drop fpregs lock before inheriting FPU permissions
A race condition in the Linux kernel x86 FPU handling allows local attackers to potentially escalate privileges or execute code.
- 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-2022-1007704?
GSD-2022-1007704 is a vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
x86/fpu: Drop fpregs lock before inheriting FPU permissions
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 v6.0.10 by commit c6e8a7a1780af3da65e78a615f7d0874da6aabb0, it was introduced in version v5.16 by commit 9e798e9aa14c45fb94e47b30bf6347b369ce9df7. For more details please see the references link.
Which versions are affected by GSD-2022-1007704?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007704?
No fix has been published for GSD-2022-1007704 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1007704 being exploited?
There is no known exploitation of GSD-2022-1007704 in the wild and no public exploit code.