Use-after-free in Linux kernel - CVE-2026-93069

 

Use-after-free in Linux kernel - CVE-2026-93069

Published: September 18, 2026


Vulnerability identifier: #VU150947
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-93069
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to trigger a use-after-free error.

The vulnerability exists due to improper cleanup ordering in the OPP core cleanup handling when releasing the last reference to an OPP object. A local user can trigger cleanup that releases the last reference to an OPP object to trigger a use-after-free error.


Affected software

Linux kernel

How to mitigate CVE-2026-93069

Install security update from vendor's repository.


External References

Related Security Bulletins