CVE-2022-48881 platform/x86/amd: Fix refcount leak in amd_pmc_probe
A refcount leak in the AMD PMC driver can lead to resource exhaustion and denial of service in the Linux kernel.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-48881?
CVE-2022-48881 is a high-severity vulnerability in Linux kernel, published on 21 Aug 2024. 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:
platform/x86/amd: Fix refcount leak in amd_pmc_probe
pci_get_domain_bus_and_slot() takes reference, the caller should release the reference by calling pci_dev_put() after use. Call pci_dev_put() in the error path to fix this.
Which versions are affected by CVE-2022-48881?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-48881?
Apply the vendor's patch.
Is CVE-2022-48881 being exploited?
There is no known exploitation of CVE-2022-48881 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-48881, GHSA-8rqg-fx6m-3c97, UBUNTU-CVE-2022-48881.