Vulnerability Description
A bug in the entropy initialization for SiWx917 causes the DRBG to use a predictable seed. As such, all random numbers generated in the Matter code use the same stream of numbers. This vulnerability was discovered after the impacted repository was already deprecated.
Related Weaknesses (CWE)
References
- https://github.com/SiliconLabs/matter/tree/release_2.3.1-1.3
- https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/a
FAQ
What is CVE-2026-6924?
CVE-2026-6924 is a documented vulnerability. A bug in the entropy initialization for SiWx917 causes the DRBG to use a predictable seed. As such, all random numbers generated in the Matter code use the same stream of numbers. This vulnerability w...
How severe is CVE-2026-6924?
CVSS scoring is not yet available for CVE-2026-6924. Check NVD for updates.
Is there a patch for CVE-2026-6924?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.