CVE-2026-23348 cxl: Fix race of nvdimm_bus object when creating nvdimm objects

In the Linux kernel, the following vulnerability has been resolved: cxl: Fix race of nvdimmbus object when creating nvdimm objects Found issue during running of cxl-translate.sh unit test. Adding a 3s sleep right before the test seems to make the issue reproduce fairly consistently. The...

CVE-2026-23348

Summary of a Linux kernel CVE (CVE-2026-23348) : The issue is a race condition in the CXL/NVDIMM subsystem where NVDIMM objects reprobe after cxl_acpi removal can occur with the nvdimm_bus object missing, leading to a NULL pointer dereference and potential system crash (DoS). Affected area center...