CVE-2025-51679 openRISC CVE debrief

Who should care

Defenders responsible for openRISC OR1200 deployments should assess exposure and potential impact. They should prioritize verification of affected versions and remediation efforts due to the potential for unexpected behavior in openRISC OR1200 deployments. This includes verifying affected versions, assessing exposure, and monitoring for potential exploitation attempts.

Why it matters

Defenders should prioritize verification of affected versions and remediation efforts due to the potential for unexpected behavior in openRISC OR1200 deployments.

• Verification of affected versions is required
• Potential for unexpected behavior in openRISC OR1200 deployments

Technical summary

The issue is caused by a mismatch between the RTL and netlist in openRISC OR1200 commit 83ac6b, which can lead to unexpected behavior. This mismatch may impact the functionality and security of openRISC OR1200 deployments. Defenders should prioritize verification of affected versions and remediation efforts due to the potential for unexpected behavior in openRISC OR1200 deployments. The technical details involve a mismatch between RTL and netlist, which can lead to unexpected behavior in openRISC OR1200 deployments.

Defensive priority

Defenders should prioritize verification of affected versions and remediation efforts.

Recommended defensive actions

• Verify affected versions of openRISC OR1200
• Assess exposure and potential impact
• Monitor for potential exploitation attempts
• Review compensating controls for exposed systems
• Check relevant monitoring, detection, and logs for exposed assets
• Track exceptions, retest remediated assets
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance

Evidence notes

The issue is described in the CVE record and NVD vulnerability detail page. Additional information can be found in the source references. The evidence is limited to the provided CVE record and NVD detail page. Defenders should verify the affected versions and assess exposure. The CVE record provides source-provided CVE metadata, and the NVD detail page offers source-specific vulnerability assessment.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.