CVE-2026-80660

A flaw was found in the Linux kernel's hwmon occ component. This vulnerability occurs when occactivefalse or occshutdown attempt to unregister sysfs devices while holding the occ-lock. During this process, sysfs callbacks can re-enter the OCC update path and try to acquire the occ-lock again,...

Linux Distros Unpatched Vulnerability : CVE-2026-80660

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - hwmon: occ unregister sysfs devices outside occ lock occactivefalse and occshutdown unregister sysfs-backed devices while occ-lock is held. hwmondeviceunregiste...

CVE-2026-80660

In the Linux kernel, the following vulnerability has been resolved: hwmon: occ unregister sysfs devices outside occ lock occactivefalse and occshutdown unregister sysfs-backed devices while occ-lock is held. hwmondeviceunregister and sysfsremovegroup can wait for active sysfs callbacks to drain,...

CVE-2026-80660

CVE-2026-80660 is a lock-ordering deadlock in the Linux kernel's hwmon (occ) driver . The functions occ_active(false) and occ_shutdown() unregister sysfs-backed devices while holding occ->lock, but hwmon_device_unregister() and sysfs_remove_group() may wait for active sysfs callbacks to drain,...

CVE-2026-68340

A flaw was found in the Linux kernel's hwmon OCC OpenPOWER Abbreviated Command and Control poll response parser. This vulnerability occurs because the parser incorrectly uses a static array capacity as the boundary for sensor data blocks instead of the actual data length. A specially crafted,...

CVE-2026-68340 hwmon: occ: validate poll response sensor blocks

In the Linux kernel, the following vulnerability has been resolved: hwmon: occ: validate poll response sensor blocks The OCC poll response parser walks a counted list of sensor data blocks. It used the static backing-array capacity as the parse boundary, but a transport response makes only...