CVSS 3.1 Score 9.8 of 10 (high)


Published Dec 4, 2023
Updated: Dec 22, 2023


CVE-2023-21402 is a critical vulnerability found in the MMU_UnmapPages function in mmu_common.c. The vulnerability allows for an out of bounds read due to improper input validation, which can lead to local escalation of privilege in the kernel without requiring additional execution privileges or user interaction. The vulnerability has a base severity score of 9.8 according to NVD, indicating its high impact on confidentiality and integrity. The affected products and systems are not specified in the provided information. No remediation steps or mitigation measures are mentioned either.


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