GSD-2022-1007941 net: tun: call napi_schedule_prep() to ensure we own a napi
A race condition in the Linux kernel TUN driver could lead to a denial of service due to improper NAPI scheduling.
- 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-2022-1007941?
GSD-2022-1007941 is a vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: tun: call napi_schedule_prep() to ensure we own a napi
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 v5.15.79 by commit 9132fa043f96ac545254ab326db5c6fd47d54acb, it was introduced in version v5.15.79 by commit d7569302a7a52a9305d2fb054df908ff985553bb. For more details please see the references link.
Which versions are affected by GSD-2022-1007941?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007941?
No fix has been published for GSD-2022-1007941 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1007941 being exploited?
There is no known exploitation of GSD-2022-1007941 in the wild and no public exploit code.