GSD-2023-1001633 regulator: core: fix unbalanced of node refcount in regulator_dev_lookup()
An unbalanced reference count in the Linux kernel regulator core can lead to memory corruption and potential 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-2023-1001633?
GSD-2023-1001633 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
regulator: core: fix unbalanced of node refcount in regulator_dev_lookup()
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 v4.9.337 by commit 0e88505ac0a6ae97746bcdbd4b042ee9f20455ae, it was introduced in version v3.3 by commit 69511a452e6dc6b74fe4f3671a51b1b44b9c57e3. For more details please see the references link.
Which versions are affected by GSD-2023-1001633?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001633?
No fix has been published for GSD-2023-1001633 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-2023-1001633 being exploited?
There is no known exploitation of GSD-2023-1001633 in the wild and no public exploit code.