Description
Trusted Firmware M 1.4.x through 1.4.1 has a buffer overflow issue in the Firmware Update partition. In the IPC model, a psa_fwu_write caller from SPE or NSPE can overwrite stack memory locations.
References (4)
Core 4
Core References
Vendor Advisory x_refsource_misc
https://developer.arm.com/support/arm-security-updates
Product x_refsource_misc
https://www.trustedfirmware.org
Patch, Third Party Advisory x_refsource_misc
https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/
Exploit, Patch, Third Party Advisory x_refsource_confirm
https://tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/fwu_write_vulnerability.html
Scores
CVSS v3
7.8
EPSS
0.0017
EPSS Percentile
38.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-120
Status
published
Products (2)
arm/trusted_firmware-m
1.4.0
arm/trusted_firmware-m
1.4.1
Published
Mar 01, 2022
Tracked Since
Feb 18, 2026