CVE-2021-43619

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.

Affected Platforms

Weakness Type

CWE-120

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/fw…
• https://www.trustedfirmware.org
• https://developer.arm.com/support/arm-security-updates
• https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/