Siemens SIMATIC S7-1500 CPU 1518 MFP Divide By Zero (CVE-2025-39681)

In the Linux kernel, the following vulnerability has been resolved: x86/cpu/hygon: Add missing resctrlcpudetect in bspinit helper Since 923f3a2b48bd x86/resctrl: Query LLC monitoring properties once during boot resctrlcpudetect has been moved from common CPU initialization code to the...

CVE-2025-39681

In the Linux kernel, the following vulnerability has been resolved: x86/cpu/hygon: Add missing resctrlcpudetect in bspinit helper Since 923f3a2b48bd "x86/resctrl: Query LLC monitoring properties once during boot" resctrlcpudetect has been moved from common CPU initialization code to the...

DEBIAN-CVE-2025-39681

In the Linux kernel, the following vulnerability has been resolved: x86/cpu/hygon: Add missing resctrlcpudetect in bspinit helper Since 923f3a2b48bd "x86/resctrl: Query LLC monitoring properties once during boot" resctrlcpudetect has been moved from common CPU initialization code to the...

CVE-2025-39681

CVE-2025-39681 relates to the Linux kernel on x86 with Hygon CPUs. The root cause was a missing resctrl_cpu_detect() call in the Hygon BSP init path after resctrl_cpu_detect() was moved to vendor-specific init code. This caused a division-by-zero in get_rdt_mon_resources() during early boot due t...