CVE-2022-49314 tty: Fix a possible resource leak in icom_probe
A resource leak in the Linux kernel's icom_probe function can lead to denial of service when PCI configuration reads fail.
- 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-2022-49314?
CVE-2022-49314 is a medium-severity denial of service vulnerability in Linux kernel, published on 26 Feb 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:
tty: Fix a possible resource leak in icom_probe
When pci_read_config_dword failed, call pci_release_regions() and pci_disable_device() to recycle the resource previously allocated.
Which versions are affected by CVE-2022-49314?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-49314?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-49314 being exploited?
There is no known exploitation of CVE-2022-49314 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49314, GHSA-mr46-3995-mfjf, UBUNTU-CVE-2022-49314.