GSD-2023-1000047 mm/gup: fix gup_pud_range() for dax
A bug in the Linux kernel's memory management for DAX devices can cause a system crash, requiring local access and specific hardware configuration.
- 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-2023-1000047?
GSD-2023-1000047 is a vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
mm/gup: fix gup_pud_range() for dax
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 v6.0.13 by commit e06d13c36ded750c72521b600293befebb4e56c5, it was introduced in version v5.0 by commit 414fd080d125408cb15d04ff4907e1dd8145c8c7. For more details please see the references link.
Which versions are affected by GSD-2023-1000047?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000047?
No fix has been published for GSD-2023-1000047 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1000047 being exploited?
There is no known exploitation of GSD-2023-1000047 in the wild and no public exploit code.