GSD-2022-1007047 rcu: Avoid triggering strict-GP irq-work when RCU is idle
A flaw in the Linux Kernel RCU subsystem could trigger unnecessary IRQ work when idle, potentially leading to denial of service.
- 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-2022-1007047?
GSD-2022-1007047 is a denial of service vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
rcu: Avoid triggering strict-GP irq-work when RCU is idle
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 v5.15.75 by commit 3e2d8b89f03152e07c95ec3075a7b3606380982e. For more details please see the references link.
Which versions are affected by GSD-2022-1007047?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007047?
No fix has been published for GSD-2022-1007047 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-2022-1007047 being exploited?
There is no known exploitation of GSD-2022-1007047 in the wild and no public exploit code.