SB20260916114 - Race condition in Linux kernel hid bpf driver
Published: September 16, 2026
Security Bulletin ID
SB20260916114
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Race condition (CVE-ID: CVE-2026-90001)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a use-after-free condition.
The vulnerability exists due to a race condition in HID BPF struct_ops device reference release when device destruction races with BPF link release. A local user can trigger concurrent device destruction and BPF link release to cause a use-after-free condition.
Remediation
Install update from vendor's website.