GSD-2023-1000743 regulator: core: fix module refcount leak in set_supply()
A module reference count leak in the Linux kernel regulator core 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-2023-1000743?
GSD-2023-1000743 is a denial of service 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 module refcount leak in set_supply()
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 v6.0.16 by commit 6b4d069a3a847a5c8c5dfa4c5cccb80383ad070f, it was introduced in version v4.2 by commit e2c09ae7a74d94222187edbe8f5cf1fa9364efcd. For more details please see the references link.
Which versions are affected by GSD-2023-1000743?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000743?
No fix has been published for GSD-2023-1000743 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2023-1000743 being exploited?
There is no known exploitation of GSD-2023-1000743 in the wild and no public exploit code.