High severity7.8NVD Advisory· Published Mar 1, 2022· Updated Jun 17, 2026
CVE-2021-43619
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4cpe:2.3:o:trustedfirmware:trusted_firmware-m:1.4.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:trustedfirmware:trusted_firmware-m:1.4.0:*:*:*:*:*:*:*
- cpe:2.3:o:trustedfirmware:trusted_firmware-m:1.4.1:*:*:*:*:*:*:*
- Trusted Firmware/Trusted Firmware Mdescription
- Range: 1.4.x through 1.4.1
Patches
Vulnerability mechanics
References
3- tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/fwu_write_vulnerability.htmlnvdExploitPatchThird Party Advisory
- developer.arm.com/support/arm-security-updatesnvdVendor Advisory
- www.trustedfirmware.orgnvdProduct
News mentions
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