GSD-2022-1006787 ftrace: Fix recursive locking direct_mutex in ftrace_modify_direct_caller
A recursive locking bug in the Linux kernel ftrace subsystem can cause a deadlock, leading to denial of service for local privileged users.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1006787?
GSD-2022-1006787 is a vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ftrace: Fix recursive locking direct_mutex in ftrace_modify_direct_caller
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 v6.0.3 by commit 2482eacb685b6500e158268befbe6c90de5f166a, it was introduced in version v6.0 by commit 53cd885bc5c3ea283cc9c00ca6446c778f00bfba. For more details please see the references link.
Which versions are affected by GSD-2022-1006787?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006787?
No fix has been published for GSD-2022-1006787 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1006787 being exploited?
There is no known exploitation of GSD-2022-1006787 in the wild and no public exploit code.