VULNERABILITY INTELLIGENCE

CVE-2017-15031

CVSS score7.5 HIGH

EPSS probability1.90%

CISA KEVNot currently listed

Published2018-12-18

Last modified2026-06-17

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

Description

In all versions of ARM Trusted Firmware up to and including v1.4, not initializing or saving/restoring the PMCR_EL0 register can leak secure world timing information.

Weakness classification

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Primary references

cve@mitre.org — Third Party Advisory, VDB Entry
cve@mitre.org — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory