GSD-2023-1000944 x86/MCE/AMD: Clear DFR errors found in THR handler
A flaw in the Linux Kernel AMD MCE handler could allow local attackers to cause a denial of service by triggering unhandled errors.
- 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-2023-1000944?
GSD-2023-1000944 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
x86/MCE/AMD: Clear DFR errors found in THR handler
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 v5.15.87 by commit 1bd7283dc0bee2067398a8f1a4847449cb9dfbee, it was introduced in version v4.13 by commit 37d43acfd79f9c53289e9990c344cbd5b4db4bd4. For more details please see the references link.
Which versions are affected by GSD-2023-1000944?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000944?
No fix has been published for GSD-2023-1000944 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-2023-1000944 being exploited?
There is no known exploitation of GSD-2023-1000944 in the wild and no public exploit code.