CVE-2022-49750 cpufreq: CPPC: Add u64 casts to avoid overflowing
An integer overflow in the Linux kernel's CPPC driver can lead to system instability or denial of service.
- 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-2022-49750?
CVE-2022-49750 is a medium-severity vulnerability in Linux kernel, published on 27 Mar 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: CPPC: Add u64 casts to avoid overflowing
The fields of the _CPC object are unsigned 32-bits values. To avoid overflows while using _CPC's values, add 'u64' casts.
Weakness: CWE-190
Which versions are affected by CVE-2022-49750?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-49750?
Apply the vendor's patch.
Is CVE-2022-49750 being exploited?
There is no known exploitation of CVE-2022-49750 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-60322, DEBIAN-CVE-2022-49750, GHSA-v985-xp9j-wxfh, ROOT-OS-DEBIAN-11-CVE-2022-49750, ROOT-OS-UBUNTU-2204-CVE-2022-49750, UBUNTU-CVE-2022-49750.