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CVE-2025-21998

MEDIUM CVSS: 4.7 Published: 2025-04-03 Modified: 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: firmware: qcom: uefisecapp: fix efivars registration race Since the conversion to using the TZ allocator, the efivars service is registered before the memory pool has been allocated, something which can lead to a NULL-pointer dereference in case of a racing EFI variable access. Make sure that all resources have been set up before registering the efivars.

Affected Platforms

Linux Linux Kernel

Weakness Type

CWE-367, CWE-476, CWE-476

References