GSD-2023-1000407 gpio: sifive: Fix refcount leak in sifive_gpio_probe
A refcount leak in the SiFive GPIO driver can lead to resource exhaustion and denial of service, requiring a kernel patch.
- 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-2023-1000407?
GSD-2023-1000407 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
gpio: sifive: Fix refcount leak in sifive_gpio_probe
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 v6.0.19 by commit f9fb4776ebbc16dfc512adbdc0fe218acb47c7cc, it was introduced in version v5.6 by commit 96868dce644d002383f6d5eb575a6ce3c8779f39. For more details please see the references link.
Which versions are affected by GSD-2023-1000407?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000407?
No fix has been published for GSD-2023-1000407 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-2023-1000407 being exploited?
There is no known exploitation of GSD-2023-1000407 in the wild and no public exploit code.