CVE-2022-49397 phy: qcom-qmp: fix struct clk leak on probe errors
A memory leak in the Linux kernel's Qualcomm QMP PHY driver can lead to resource exhaustion and denial of service during probe errors.
- 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-2022-49397?
CVE-2022-49397 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:
phy: qcom-qmp: fix struct clk leak on probe errors
Make sure to release the pipe clock reference in case of a late probe error (e.g. probe deferral).
Weakness: CWE-401
Which versions are affected by CVE-2022-49397?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-49397?
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-2022-49397 being exploited?
There is no known exploitation of CVE-2022-49397 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49397, GHSA-9w3c-5qxv-4c26, UBUNTU-CVE-2022-49397.