GSD-2021-1002259 NFC: reorder the logic in nfc_{un,}register_device
A race condition in the Linux Kernel NFC subsystem allows local attackers to potentially escalate privileges or cause a denial of service.
- 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-2021-1002259?
GSD-2021-1002259 is a vulnerability in Kernel, published on 29 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
NFC: reorder the logic in nfc_{un,}register_device
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 v5.4.162 by commit 307d2e6cebfca9d92f86c8e2c8e3dd4a8be46ba6, it was introduced in version v3.10 by commit be055b2f89b5842f41363b5655a33dffb51a8294. For more details please see the references link.
Which versions are affected by GSD-2021-1002259?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002259?
No fix has been published for GSD-2021-1002259 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002259 being exploited?
There is no known exploitation of GSD-2021-1002259 in the wild and no public exploit code.