Vulnerability Description
TrustedFirmware-M (aka Trusted Firmware for M profile Arm CPUs) before 2.1.3 and 2.2.x before 2.2.1 lacks length validation during a firmware upgrade. While processing a new image, the Firmware Upgrade (FWU) module does not validate the length field of the Type-Length-Value (TLV) structure for dependent components against the maximum allowed size. If the length specified in the TLV exceeds the size of the buffer allocated on the stack, the FWU module will overwrite the buffer (and potentially other stack data) with the TLV's value content. An attacker could exploit this by crafting a malicious TLV entry in the unprotected section of the MCUBoot upgrade image. By setting the length field to exceed the expected structure size, the attacker can manipulate the stack memory of the system during the upgrade process.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://git.trustedfirmware.org/plugins/gitiles/TF-M/trusted-firmware-m.git/+/re
- https://trustedfirmware-m.readthedocs.io/en/latest/security/security_advisories/
- https://www.trustedfirmware.org/projects/tf-m/
FAQ
What is CVE-2025-53022?
CVE-2025-53022 is a vulnerability with a CVSS score of 8.6 (HIGH). TrustedFirmware-M (aka Trusted Firmware for M profile Arm CPUs) before 2.1.3 and 2.2.x before 2.2.1 lacks length validation during a firmware upgrade. While processing a new image, the Firmware Upgrad...
How severe is CVE-2025-53022?
CVE-2025-53022 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-53022?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.