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.
History

Wed, 25 Mar 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_0

{'score': 7.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T19:42:22.265Z

Reserved: 2017-10-05T00:00:00.000Z

Link: CVE-2017-15031

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2018-12-18T16:29:00.250

Modified: 2026-03-25T20:39:22.147

Link: CVE-2017-15031

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.