CVE-2022-50637 cpufreq: qcom-hw: Fix memory leak in qcom_cpufreq_hw_read_lut()
A memory leak in the Linux kernel's Qualcomm cpufreq 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-2022-50637?
CVE-2022-50637 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:
cpufreq: qcom-hw: Fix memory leak in qcom_cpufreq_hw_read_lut()
If "cpu_dev" fails to get opp table in qcom_cpufreq_hw_read_lut(), the program will return, resulting in "table" resource is not released.
Which versions are affected by CVE-2022-50637?
How do I fix CVE-2022-50637?
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-2022-50637 being exploited?
There is no known exploitation of CVE-2022-50637 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2022-50637, GHSA-3p55-pgh8-7x5v, UBUNTU-CVE-2022-50637.