GSD-2022-1004084 NFC: NULL out the dev->rfkill to prevent UAF
A use-after-free vulnerability in the Linux Kernel NFC subsystem could allow attackers to execute arbitrary code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Local or same network only
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1004084?
GSD-2022-1004084 is an use after free vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network.
Official description
NFC: NULL out the dev->rfkill to prevent UAF
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 v4.9.318 by commit a8e03bcad52dc9afabf650fdbad84f739cec9efa, it was introduced in version v4.9.291 by commit ff169909eac9e00bf1aa0af739ba6ddfb1b1d135. For more details please see the references link.
Which versions are affected by GSD-2022-1004084?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004084?
No fix has been published for GSD-2022-1004084 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2022-1004084 being exploited?
There is no known exploitation of GSD-2022-1004084 in the wild and no public exploit code.