Improper resource shutdown or release in Linux kernel - CVE-2026-93276
Published: September 25, 2026
Vulnerability identifier: #VU152129
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-2026-93276
CWE-ID: CWE-404
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to trigger a warning condition during regulator release.
The vulnerability exists due to improper resource shutdown or release in rcar_gen3_phy_usb2_vbus_regulator_get_exclusive_enable() when removing a device while the VBUS regulator remains enabled. A local user can remove a device under this condition to trigger a warning condition during regulator release.
Affected software
Linux kernel
How to mitigate CVE-2026-93276
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3