GSD-2023-1002007 powerpc/imc-pmu: Fix use of mutex in IRQs disabled section
A kernel bug in the powerpc IMC PMU driver causes a crash when a mutex is used in an IRQ-disabled section, leading to local denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1002007?
GSD-2023-1002007 is a denial of service vulnerability in Kernel, published on 13 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
powerpc/imc-pmu: Fix use of mutex in IRQs disabled section
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 v6.1.7 by commit 424bcb570cb320d1d15238cd4c933522b90f78fa, it was introduced in version v4.14 by commit 8f95faaac56c18b32d0e23ace55417a440abdb7e. For more details please see the references link.
Which versions are affected by GSD-2023-1002007?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1002007?
No fix has been published for GSD-2023-1002007 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-2023-1002007 being exploited?
There is no known exploitation of GSD-2023-1002007 in the wild and no public exploit code.