CVE-2023-53350 accel/qaic: Fix slicing memory leak
A memory leak in the Linux kernel's QAI driver allows attackers to exhaust system memory, potentially causing a 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-2023-53350?
CVE-2023-53350 is a medium-severity denial of service vulnerability in Linux kernel, published on 17 Sep 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:
accel/qaic: Fix slicing memory leak
The temporary buffer storing slicing configuration data from user is only freed on error. This is a memory leak. Free the buffer unconditionally.
Weakness: CWE-401
Which versions are affected by CVE-2023-53350?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-53350?
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-2023-53350 being exploited?
There is no known exploitation of CVE-2023-53350 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-53350, DEBIAN-CVE-2023-53350, GHSA-h7wj-hh9r-8g9p, UBUNTU-CVE-2023-53350.