GSD-2022-1001343 irqchip/gic-v3: Fix GICR_CTLR.RWP polling
A bug in Linux Kernel GICv3 polling logic can cause a denial of service, requiring local privileged access to exploit.
- 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-2022-1001343?
GSD-2022-1001343 is a denial of service vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
irqchip/gic-v3: Fix GICR_CTLR.RWP polling
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 v5.16.20 by commit 60e1eb4811f53f5f60c788297d978515e7a2637a, it was introduced in version v3.17 by commit 021f653791ad17e03f98aaa7fb933816ae16f161. For more details please see the references link.
Which versions are affected by GSD-2022-1001343?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001343?
No fix has been published for GSD-2022-1001343 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-2022-1001343 being exploited?
There is no known exploitation of GSD-2022-1001343 in the wild and no public exploit code.