GSD-2022-1000200 powerpc/perf: Fix power_pmu_disable to call clear_pmi_irq_pending only if PMI is pending
A race condition in the Linux kernel powerpc performance monitoring subsystem can lead to a 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-2022-1000200?
GSD-2022-1000200 is a vulnerability in Kernel, published on 18 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
powerpc/perf: Fix power_pmu_disable to call clear_pmi_irq_pending only if PMI is pending
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 v5.10.96 by commit 55402a4618721f350a9ab660bb42717d8aa18e7c, it was introduced in version v5.10.94 by commit ef798cd035f316a537fee8ed170c127f12407085. For more details please see the references link.
Which versions are affected by GSD-2022-1000200?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000200?
No fix has been published for GSD-2022-1000200 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1000200 being exploited?
There is no known exploitation of GSD-2022-1000200 in the wild and no public exploit code.