CVE-2023-53367 accel/habanalabs: fix mem leak in capture user mappings
A memory leak in the Habanalabs accelerator driver allows attackers to cause a denial of service by triggering specific context and reset sequences.
- 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-2023-53367?
CVE-2023-53367 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/habanalabs: fix mem leak in capture user mappings
This commit fixes a memory leak caused when clearing the user_mappings info when a new context is opened immediately after user_mapping is captured and a hard reset is performed.
Weakness: CWE-401
Which versions are affected by CVE-2023-53367?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-53367?
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-2023-53367 being exploited?
There is no known exploitation of CVE-2023-53367 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-53367, DEBIAN-CVE-2023-53367, GHSA-mhx5-8p5w-32cq, ROOT-OS-DEBIAN-11-CVE-2023-53367, ROOT-OS-DEBIAN-12-CVE-2023-53367, ROOT-OS-UBUNTU-2204-CVE-2023-53367 and 1 more.