GSD-2022-1008072 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-2022-1008072?
GSD-2022-1008072 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 v5.10.155 by commit 534762e261c84d43e5d56a780e40278b94c20540, it was introduced in version v5.10.155 by commit 3401f964028ac941425b9b2c8ff8a022539ef44a. For more details please see the references link.
Which versions are affected by GSD-2022-1008072?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008072?
No fix has been published for GSD-2022-1008072 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1008072 being exploited?
There is no known exploitation of GSD-2022-1008072 in the wild and no public exploit code.