GSD-2021-1002381 nfc: fix potential NULL pointer deref in nfc_genl_dump_ses_done
A NULL pointer dereference in the Linux kernel NFC subsystem allows local attackers to 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-2021-1002381?
GSD-2021-1002381 is a vulnerability in Kernel, published on 19 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
nfc: fix potential NULL pointer deref in nfc_genl_dump_ses_done
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 v4.9.293 by commit 69bb79a8f5bb9f436b6f1434ca9742591b7bbe18, it was introduced in version v3.12 by commit ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95. For more details please see the references link.
Which versions are affected by GSD-2021-1002381?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002381?
No fix has been published for GSD-2021-1002381 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002381 being exploited?
There is no known exploitation of GSD-2021-1002381 in the wild and no public exploit code.