CVE-2022-50645 EDAC/i10nm: fix refcount leak in pci_get_dev_wrapper()
A refcount leak in the Linux kernel EDAC driver 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
- Available
What is CVE-2022-50645?
CVE-2022-50645 is a memory corruption vulnerability in Linux, published on 9 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
EDAC/i10nm: fix refcount leak in pci_get_dev_wrapper()
As the comment of pci_get_domain_bus_and_slot() says, it returns a PCI device with refcount incremented, so it doesn't need to call an extra pci_dev_get() in pci_get_dev_wrapper(), and the PCI device needs to be put in the error path.
Which versions are affected by CVE-2022-50645?
How do I fix CVE-2022-50645?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-50645 being exploited?
There is no known exploitation of CVE-2022-50645 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2022-50645, GHSA-qvjv-q9pq-qrxr, UBUNTU-CVE-2022-50645.