VULNERABILITY INTELLIGENCE
CVE-2025-21998
CVSS score4.7 MEDIUM
EPSS probability0.14%
CISA KEVNot currently listed
Published2025-04-03
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
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.
Weakness classification
- CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
- CWE-476: NULL Pointer Dereference