Deadlock in Linux kernel - CVE-2026-93202
Published: September 18, 2026
Vulnerability identifier: #VU150796
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-93202
CWE-ID: CWE-833
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to recursive locking in i3c_master_register_new_i3c_devs() in the I3C master subsystem when registering newly discovered I3C devices. A local user can trigger I3C device registration to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-93202
Install security update from vendor's repository.