GSD-2022-1000426 KVM: eventfd: Fix false positive RCU usage warning
A false positive RCU usage warning in KVM eventfd handling could lead to system instability or denial of service for local attackers.
- 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-2022-1000426?
GSD-2022-1000426 is a denial of service vulnerability in Kernel, published on 27 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
KVM: eventfd: Fix false positive RCU usage warning
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 v5.15.24 by commit d44af3ad2a2148582839b556d0ff5b5e3787dfc0. For more details please see the references link.
Which versions are affected by GSD-2022-1000426?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000426?
No fix has been published for GSD-2022-1000426 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-2022-1000426 being exploited?
There is no known exploitation of GSD-2022-1000426 in the wild and no public exploit code.