GSD-2022-1000161 PCI: pciehp: Fix infinite loop in IRQ handler upon power fault
An infinite loop in the PCI hotplug IRQ handler upon power fault can cause a denial of service in the Linux kernel.
- 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-2022-1000161?
GSD-2022-1000161 is a denial of service 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
PCI: pciehp: Fix infinite loop in IRQ handler upon power fault
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 v5.4.177 by commit 464da38ba827f670deac6500a1de9a4f0f44c41d, it was introduced in version v5.4.69 by commit 4667358dab9cc07da044d5bc087065545b1000df. For more details please see the references link.
Which versions are affected by GSD-2022-1000161?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000161?
No fix has been published for GSD-2022-1000161 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-2022-1000161 being exploited?
There is no known exploitation of GSD-2022-1000161 in the wild and no public exploit code.