GSD-2021-1001138 psi: Fix psi state corruption when schedule() races with cgroup move
A race condition in the Linux kernel PSI subsystem can cause state corruption, 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-2021-1001138?
GSD-2021-1001138 is a vulnerability in Kernel, published on 8 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
psi: Fix psi state corruption when schedule() races with cgroup move
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 v5.13 by commit d583d360a620e6229422b3455d0be082b8255f5e, it was introduced in version v5.13 by commit 4117cebf1a9fcbf35b9aabf0e37b6c5eea296798. For more details please see the references link.
Which versions are affected by GSD-2021-1001138?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001138?
No fix has been published for GSD-2021-1001138 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001138 being exploited?
There is no known exploitation of GSD-2021-1001138 in the wild and no public exploit code.