CWE-1233: Security-Sensitive Hardware Controls with Missing Lock Bit Protection
low-riskThe 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.
Abstraction: Base
Common Consequences
Access Control
→
Modify Memory
Detection Methods
Manual Analysis
Set the lock bit. Attempt to modify the information protected by the lock bit. If the information is changed, implement a design fix. Retest. Also, attempt to indirectly clear the lock bit or bypass it.
Real-World Examples (4)
| CVE | CVSS | EPSS | KEV |
|---|---|---|---|
| CVE-2022-23005 | 8.7 | 0.3% | — |
| CVE-2025-25734 | 6.8 | 0.1% | — |
| CVE-2025-25735 | 4.6 | 0.0% | — |
| CVE-2025-25733 | 3.5 | 0.0% | — |
0
/ 100
low-risk
Active Threat
0/50 · Minimal
Exploit Availability
0/50 · Minimal