PT-2018-5752 · Arm · Arm Trusted Firmware

Published 2018-12-18 · Updated 2026-06-05 · CVE-2017-15031

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: ARM Trusted Firmware versions prior to v1.5

Description: The issue concerns the potential leak of secure world timing information due to the PMCR EL0 register not being initialized or saved/restored properly.

Recommendations: For ARM Trusted Firmware versions prior to v1.5, ensure proper initialization and saving/restoring of the PMCR EL0 register to prevent secure world timing information leakage.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2017-15031

Affected Products

Arm Trusted Firmware

References · 5

• https://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security-Advisory-TFV-5 · Patch
• https://osv.dev/vulnerability/CVE-2017-15031 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-15031 · Security Note
• http://securityfocus.com/bid/106271 · Note
• https://t.me/cveNotify/166267 · Telegram Post