GSD-2023-1001639 rapidio: devices: fix missing put_device in mport_cdev_open
A missing put_device call in the RapidIO mport_cdev_open function can lead to a reference count leak, potentially causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1001639?
GSD-2023-1001639 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
rapidio: devices: fix missing put_device in mport_cdev_open
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 6e4540e0970030e140998ce8847f5f0171b5afa1, it was introduced in version v4.6 by commit e8de370188d098bb49483c287b44925957c3c9b6. For more details please see the references link.
Which versions are affected by GSD-2023-1001639?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001639?
No fix has been published for GSD-2023-1001639 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-2023-1001639 being exploited?
There is no known exploitation of GSD-2023-1001639 in the wild and no public exploit code.