In this physical attack, an attacker may potentially exploit the Zynq-7000 SoC First Stage Boot Loader (FSBL) by bypassing authentication and loading a malicious image onto the device. This in turn may further allow the attacker to perform additional attacks such as such as using the device as a decryption oracle. An anticipated mitigation via a 2022.1 patch will resolve the issue.

References

• https://nvd.nist.gov/vuln/detail/CVE-2022-23822
• https://github.com/Xilinx/embeddedsw/tree/master/lib/sw_apps/zynq_fsbl
• https://support.xilinx.com/s/article/76974