GSD-2021-1002767 io-wq: check for wq exit after adding new worker task_work
A race condition in the Linux kernel io-wq subsystem can lead to a denial of service, requiring local access to exploit.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1002767?
GSD-2021-1002767 is a vulnerability in Kernel, published on 27 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
io-wq: check for wq exit after adding new worker task_work
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 v5.15.11 by commit 4b4e5bbf9386d4ec21d91c0cb0fd60b9bba778ec. For more details please see the references link.
Which versions are affected by GSD-2021-1002767?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002767?
No fix has been published for GSD-2021-1002767 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002767 being exploited?
There is no known exploitation of GSD-2021-1002767 in the wild and no public exploit code.