What is GHSA-wm5h-r2qh-r97h?

GHSA-wm5h-r2qh-r97h is a security advisory published by GitHub Security Advisories with High severity. A bug in the entropy initialization for SiWx917 causes the DRBG to use a predictable seed. As...

Which CVE IDs does GHSA-wm5h-r2qh-r97h cover?

GHSA-wm5h-r2qh-r97h covers the following CVE IDs: CVE-2026-6924. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-wm5h-r2qh-r97hHigh

A bug in the entropy initialization for SiWx917 causes the DRBG to use a predictable seed. As...

Vendor

GitHub Security Advisories

Published

July 23, 2026

Last Modified

July 23, 2026

🔗 CVE IDs covered (1)

CVE-2026-6924 →

📋 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.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-6924
https://github.com/SiliconLabs/matter/tree/release_2.3.1-1.3
https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/a45Vm0000009SzZIAU?operationContext=S1
https://github.com/advisories/GHSA-wm5h-r2qh-r97h