CyberSecBulletin

Security-Sensitive Hardware Controls with Missing Lock Bit Protection

CWE-1233

The product uses a register lock bit protection mechanism, but it does not ensure that the lock bit prevents modification of system registers or controls that perform changes to important hardware system configuration.

We track 2 vulnerabilities of this type. 100% are rated high or critical, and the average CVSS score is 8.6.

How this weakness is prevented

  • Architecture and Design Implementation Testing: Security lock bit protections must be reviewed for design inconsistency and common weaknesses. Security lock programming flow and lock properties must be tested in pre-silicon and post-silicon testing.

Latest Security-Sensitive Hardware Controls with Missing Lock Bit Protection vulnerabilities