In the Linux kernel, the following vulnerability has been resolved:platform/x86/amd/pmc: Detect when STB is not availableLoading the amd_pmc module as:...can result in the following messages in the kernel ring buffer:Further debugging reveals that this occurs when the requests for
S2D_PHYS_ADDR_LOW and S2D_PHYS_ADDR_HIGH return a value of 0,
indicating that the STB is inaccessible. To prevent the ioremap
warning and provide clarity to the user, handle the invalid address
and display an error message.