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Weakness (CWE)

CWE-1231: Improper Prevention of Lock Bit Modification

Base

The product uses a trusted lock bit for restricting access to registers, address regions, or other resources, but the product does not prevent the value of the lock bit from being modified after it has been set.

How to prevent it (1 mitigation)

  1. 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.

Source: MITRE CWE-1231

All Critical High Medium Low Exploited only Public exploit

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