GSD-2023-1000139 gpiolib: fix memory leak in gpiochip_setup_dev()
A memory leak in the Linux kernel GPIO subsystem can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1000139?
GSD-2023-1000139 is a memory corruption vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
gpiolib: fix memory leak in gpiochip_setup_dev()
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 v5.15.83 by commit 6daaa84b621485fe28c401be18debf92ae8ef04a, it was introduced in version v4.6 by commit 159f3cd92f17c61a4e2a47456de5865b114ef88e. For more details please see the references link.
Which versions are affected by GSD-2023-1000139?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000139?
No fix has been published for GSD-2023-1000139 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2023-1000139 being exploited?
There is no known exploitation of GSD-2023-1000139 in the wild and no public exploit code.