CVE-2023-53367: accel/habanalabs: fix mem leak in capture user mappings

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-09-17 · updated 2026-06-17
Weakness: CWE-401

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.

Affected products

Linux kernel: from 5.1 before 6.4.12 — fixed in 6.4.12

How to fix

Upgrade to a fixed version: Linux kernel 6.4.12. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/314a7ffd7c196b27eedd50cb7553029e17789b55
https://git.kernel.org/stable/c/973e0890e5264cb075ef668661cad06b67777121

Get alerted when CVE-2023-53367 or the next vulnerability affects your stack