CVE-2023-21215

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

In DevmemIntAcquireRemoteCtx of devicemem_server.c, there is a possible arbitrary code execution due to a race condition. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

No affected versions have been published.

Timeline

Published
Dec 4, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-21215: Critical severity, CVSS 9.8 | Vulnix