SB2026091668 - Use-after-free in Linux kernel hid driver
Published: September 16, 2026
Security Bulletin ID
SB2026091668
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use-after-free (CVE-ID: CVE-2026-90041)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 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]
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.
Remediation
Install update from vendor's website.