GSD-2022-1006631 x86/fpu: Fix copy_xstate_to_uabi() to copy init states correctly
A flaw in the Linux kernel x86 FPU code could allow local attackers to read uninitialized memory, potentially disclosing sensitive information.
- 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-2022-1006631?
GSD-2022-1006631 is a vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
x86/fpu: Fix copy_xstate_to_uabi() to copy init states correctly
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 v6.0.7 by commit 6ff29642fd28965a8f8d6d326ac91bf6075f3113, it was introduced in version v5.16 by commit 2308ee57d93d896618dd65c996429c9d3e469fe0. For more details please see the references link.
Which versions are affected by GSD-2022-1006631?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006631?
No fix has been published for GSD-2022-1006631 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1006631 being exploited?
There is no known exploitation of GSD-2022-1006631 in the wild and no public exploit code.