CVE-2023-53448 fbdev: imxfb: Removed unneeded release_mem_region
A double release of memory regions in the imxfb driver can cause resource leaks or unexpected issues, potentially leading to 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-2023-53448?
CVE-2023-53448 is a medium-severity vulnerability in Linux kernel, published on 1 Oct 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:
fbdev: imxfb: Removed unneeded release_mem_region
Remove unnecessary release_mem_region from the error path to prevent mem region from being released twice, which could avoid resource leak or other unexpected issues.
Weakness: CWE-617
Which versions are affected by CVE-2023-53448?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-53448?
Apply the vendor's patch.
Is CVE-2023-53448 being exploited?
There is no known exploitation of CVE-2023-53448 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-53448, DEBIAN-CVE-2023-53448, GHSA-4hg6-gwcj-8xvf, UBUNTU-CVE-2023-53448.