GSD-2022-1004815 net: tun: stop NAPI when detaching queues
A race condition in the Linux kernel TUN driver when detaching queues can lead to a denial of service, requiring local privileged access.
- 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-2022-1004815?
GSD-2022-1004815 is a vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: tun: stop NAPI when detaching queues
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 v4.19.251 by commit e90525753e3cf0566ac4917ae98785ff478ede0c, it was introduced in version v4.15 by commit 943170998b200190f99d3fe7e771437e2c51f319. For more details please see the references link.
Which versions are affected by GSD-2022-1004815?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004815?
No fix has been published for GSD-2022-1004815 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004815 being exploited?
There is no known exploitation of GSD-2022-1004815 in the wild and no public exploit code.