CVE-2023-21401

CVSS 3.1 Score 9.8 of 10 (high)

Details

Published Dec 4, 2023
Updated: Dec 22, 2023

Summary

CVE-2023-21401 is a cyber vulnerability that affects the kernel in an undisclosed product. The vulnerability, classified as critical, is caused by an integer overflow in DevmemIntChangeSparse of devicemem_server.c, leading to a possible out of bounds write. Exploitation of this vulnerability could result in local escalation of privilege without requiring any additional execution privileges or user interaction. The potential danger it poses to organizations is high, with a base severity score of 9.8 out of 10 and impacts on integrity and confidentiality being rated as high. Remediation measures should be taken promptly to mitigate the risk associated with this vulnerability.

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