GSD-2022-1005394 tty: n_gsm: add sanity check for gsm->receive in gsm_receive_buf()
A missing sanity check in the Linux Kernel GSM TTY driver can lead to a null pointer dereference, potentially causing a system crash.
- 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-2022-1005394?
GSD-2022-1005394 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 v5.15.66 by commit 309aea4b6b813f6678c3a547cfd7fe3a76ffa976, it was introduced in version v5.15.61 by commit dfa9b6d34aac2154b5e926d7a7a061123bf137c6. For more details please see the references link.
Which versions are affected by GSD-2022-1005394?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005394?
No fix has been published for GSD-2022-1005394 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005394 being exploited?
There is no known exploitation of GSD-2022-1005394 in the wild and no public exploit code.