Description
In high traffic environments, a Silicon Labs OpenThread RCP (see impacted versions) fails to clear the SPI transmit buffer and may send a corrupt packet over SPI to its host, causing the host to reset the RCP which results in a denial of service.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| silabs.com | OpenThread | 2.5.0 – ≤ 2.5.2, 2.6.0 – ≤ 2.6.2, ≤ 2.4.6 | — |
References
- https://github.com/SiliconLabs/simplicity_sdk/releases release-notes
- https://github.com/SiliconLabs/gecko_sdk/releases release-notes
- https://community.silabs.com/069Vm00000SNyueIAD vendor-advisory permissions-required