GSD-2022-1004962 tty: n_gsm: add sanity check for gsm->receive in gsm_receive_buf()
Missing sanity check in Linux Kernel GSM TTY driver may cause null pointer dereference, leading to denial of service.
- 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-2022-1004962?
GSD-2022-1004962 is a vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network.
Official description
tty: n_gsm: add sanity check for gsm->receive in gsm_receive_buf()
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 v5.19.8 by commit 5aa37f9510345a812c0998bcbbc4d88d1dcc4d8b, it was introduced in version v5.19.2 by commit 5e59c010c6862da329db17acca086afd8bea1aa8. For more details please see the references link.
Which versions are affected by GSD-2022-1004962?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004962?
No fix has been published for GSD-2022-1004962 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004962 being exploited?
There is no known exploitation of GSD-2022-1004962 in the wild and no public exploit code.