GSD-2022-1006073 ftrace: Fix NULL pointer dereference in is_ftrace_trampoline when ftrace is dead
A NULL pointer dereference in the Linux kernel ftrace subsystem can cause a system crash, requiring local access to exploit.
- 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-2022-1006073?
GSD-2022-1006073 is a vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ftrace: Fix NULL pointer dereference in is_ftrace_trampoline when ftrace is dead
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 v4.19.257 by commit ddffe882d74ef43a3494f0ab0c24baf076c45f96. For more details please see the references link.
Which versions are affected by GSD-2022-1006073?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006073?
No fix has been published for GSD-2022-1006073 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1006073 being exploited?
There is no known exploitation of GSD-2022-1006073 in the wild and no public exploit code.