CVEvulnerability
CVE-2021-43619
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-03-01
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-120
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 configurations
• trustedfirmware trusted firmware-m 1.4.0
• trustedfirmware trusted firmware-m 1.4.1
Related
Weakness · CWE (1)
- CWE-120 Buffer Copy without Checking Size of Input weakness
References
- https://developer.arm.com/support/arm-security-updates Vendor Advisory
- https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/ Patch, Third Party Advisory
- https://tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/fwu_write_vulnerability.html Exploit, Patch, Third Party Advisory
- https://www.trustedfirmware.org Product
- https://developer.arm.com/support/arm-security-updates Vendor Advisory
- https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/ Patch, Third Party Advisory
- https://tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/fwu_write_vulnerability.html Exploit, Patch, Third Party Advisory
- https://www.trustedfirmware.org Product