GSD-2023-1000462 powerpc/rtas: avoid device tree lookups in rtas_os_term()
A flaw in the Linux kernel's RTAS OS termination routine could lead to a denial of service via device tree lookups.
- 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-2023-1000462?
GSD-2023-1000462 is a denial of service 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
powerpc/rtas: avoid device tree lookups in rtas_os_term()
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 v6.0.17 by commit 698e682c849e356fb47a8be47ca8baa817cf31e0. For more details please see the references link.
Which versions are affected by GSD-2023-1000462?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000462?
No fix has been published for GSD-2023-1000462 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2023-1000462 being exploited?
There is no known exploitation of GSD-2023-1000462 in the wild and no public exploit code.