CVE-2023-52849 cxl/mem: Fix shutdown order

In the Linux kernel, the following vulnerability has been resolved: cxl/mem: Fix shutdown order Ira reports that removing cxlmockmem causes a crash with the following trace: BUG: kernel NULL pointer dereference, address: 0000000000000044 .. RIP: 0010:cxlregiondecodereset+0x7f/0x180 cxlcore .. Cal...

CVE-2023-52849

CVE-2023-52849 is a Linux kernel vulnerability related to CXL memory shutdown order. The issue caused a NULL pointer dereference during teardown when removing cxl_mock_mem, tracing through cxl_region_decode_reset and related cleanup paths (cxl_region_detach, cxld_unregister, devres_release_all, d...