What is the vulnerability CVE-2024-22473?

CVE-2024-22473 is a defect in the ECDSA signing driver on Virtual Secure Vault devices that allows signature spoofing due to the use of TRNG before initialization.

What is the severity of CVE-2024-22473?

The severity of CVE-2024-22473 is critical, as it can potentially allow an attacker to recreate keys and spoof signatures.

How do I fix CVE-2024-22473?

To fix CVE-2024-22473, update the Gecko SDK to version 4.4.1 or later, where this issue is addressed.

Which software versions are affected by CVE-2024-22473?

CVE-2024-22473 affects Silicon Labs Gecko SDK versions up to and including 4.4.0.

What potential impact does CVE-2024-22473 have on my systems?

The potential impact of CVE-2024-22473 includes the possibility of unauthorized signature generation, resulting in compromised security of applications relying on ECDSA.

Vulnerability/
CVE-2024-22473

high

7.5

CWE

1279 331

EPSS

0.043%

21/2/2024

12/2/2025

CVE-2024-22473: Uninitialized TRNG used for ECDSA after EM2/EM3 sleep for VSE devices

First published: Wed Feb 21 2024(Updated: )

TRNG is used before initialization by ECDSA signing driver when exiting EM2/EM3 on Virtual Secure Vault (VSE) devices. This defect may allow Signature Spoofing by Key Recreation.This issue affects Gecko SDK through v4.4.0.

Credit: product-security@silabs.com

Affected Software	Affected Version	How to fix
Silicon Labs Gecko SDK	<=4.4.0
Silicon Labs Gecko SDK	<=4.4.0

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Reference Links

https://community.silabs.com/068Vm000001FrjT

Frequently Asked Questions

What is the vulnerability CVE-2024-22473?
CVE-2024-22473 is a defect in the ECDSA signing driver on Virtual Secure Vault devices that allows signature spoofing due to the use of TRNG before initialization.
What is the severity of CVE-2024-22473?
The severity of CVE-2024-22473 is critical, as it can potentially allow an attacker to recreate keys and spoof signatures.
How do I fix CVE-2024-22473?
To fix CVE-2024-22473, update the Gecko SDK to version 4.4.1 or later, where this issue is addressed.
Which software versions are affected by CVE-2024-22473?
CVE-2024-22473 affects Silicon Labs Gecko SDK versions up to and including 4.4.0.
What potential impact does CVE-2024-22473 have on my systems?
The potential impact of CVE-2024-22473 includes the possibility of unauthorized signature generation, resulting in compromised security of applications relying on ECDSA.

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