CVSS 3.1 Score 9.8 of 10 (high)


Published Dec 4, 2023
Updated: Dec 22, 2023


CVE-2023-21215 is a vulnerability found in the DevmemIntAcquireRemoteCtx function of devicemem_server.c. It allows for arbitrary code execution due to a race condition, potentially leading to local escalation of privilege in the kernel without requiring additional execution privileges or user interaction. The vulnerability has a base severity rating of CRITICAL and a base score of 9.8 according to the NVD. It affects products using this specific function and poses a high danger to organizations as it can result in compromised integrity and confidentiality. The vulnerability has an exploitability score of 3.9 and an impact score of 5.9, with attack complexity being low and availability impact being high. Remediation measures should be taken promptly to mitigate potential risks associated with this vulnerability.

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