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

• https://developer.arm.com/support/arm-security-updates
• https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/
• https://tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/fwu_write_vulnerability.html
• https://www.trustedfirmware.org
• https://developer.arm.com/support/arm-security-updates
• https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/
• https://tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/fwu_write_vulnerability.html
• https://www.trustedfirmware.org

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