Use-after-free in Linux kernel - CVE-2026-90041

 

Use-after-free in Linux kernel - CVE-2026-90041

Published: September 16, 2026


Vulnerability identifier: #VU150243
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-90041
CWE-ID: CWE-416
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code.

The vulnerability exists due to a use-after-free in the Sony HID driver's device list handling when handling probe failures for matching controllers. A remote attacker can cause a controller to remain linked in the device list after its driver state is freed to execute arbitrary code.


Affected software

Linux kernel

How to mitigate CVE-2026-90041

Install security update from vendor's repository.


External References

Related Security Bulletins