CVE-2023-3220

Summary

CVE-2023-3220 is a newly disclosed vulnerability affecting Linux kernels up to version 6.1-rc8. The issue lies in the dpu_crtc.c file, specifically in the function dpu_crtc_atomic_check located in the drivers/gpu/drm/msm/disp/dpu1 directory. This vulnerability results from a failure to verify the allocation success of kzalloc(), potentially leading to a NULL pointer dereference. Successful exploitation of this flaw could result in system crashes or unauthorized access, depending on the attacker's intentions. Users are encouraged to update their Linux kernels to mitigate this risk.

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