CVE-2023-52817

Summary

CVE-2023-52817 is a vulnerability affecting certain types of chips, such as VEGA20, in the Linux kernel's amdgpu driver. This issue results in a null pointer access when attempting to read the amdgpu_regs_smc file, specifically when the smc_rreg pointer is NULL. The consequence is a kernel NULL pointer dereference which can lead to a system crash. The steps to reproduce this vulnerability include navigating to the directory /sys/kernel/debug/dri/0 and executing the command 'cat amdgpu_regs_smc'. The exception log shows the system encountering a kernel panic with error code 0x0010. This vulnerability has been resolved in the Linux kernel.

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