CVE-2024-41085 cxl/mem: Fix no cxl_nvd during pmem region auto-assembling

In the Linux kernel, the following vulnerability has been resolved: cxl/mem: Fix no cxlnvd during pmem region auto-assembling When CXL subsystem is auto-assembling a pmem region during cxl endpoint port probing, always hit below calltrace. BUG: kernel NULL pointer dereference, address:...

CVE-2024-41085

CVE-2024-41085 concerns the Linux kernel CXL memory region probing. The bug was a NULL pointer dereference when auto-assembling a pmem region during endpoint port probing because cxl_nvd (NVDIMM) was not yet registered. The fix changes the probe sequence so the cxl_nvd is available before or duri...