GSD-2022-1007393 thermal: intel_powerclamp: Use get_cpu() instead of smp_processor_id() to avoid crash
A bug in the Intel powerclamp thermal driver can cause a kernel crash, leading to a denial of service for local attackers.
- 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-2022-1007393?
GSD-2022-1007393 is a denial of service 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
thermal: intel_powerclamp: Use get_cpu() instead of smp_processor_id() to avoid crash
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 v5.4.220 by commit 5a646c38f648185ee2c62f2a19da3c6f04e27612. For more details please see the references link.
Which versions are affected by GSD-2022-1007393?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007393?
No fix has been published for GSD-2022-1007393 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-2022-1007393 being exploited?
There is no known exploitation of GSD-2022-1007393 in the wild and no public exploit code.