CVE-2024-22473: TRNG is used before initialization by ECDSA signing driver when exiting EM2/EM3 on Virtual Secure Vault (VSE)

Q: How do I fix CVE-2024-22473?

gecko software development kit: upgrade to newer than 4.4.0. Exact commands for each OS are on this page.

Q: Is CVE-2024-22473 being exploited?

CVE-2024-22473 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-22473 affect?

CVE-2024-22473 affects gecko software development kit. Severity is medium (CVSS 6.8). 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.

Q: How urgent is CVE-2024-22473?

Priority 37/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 6.8REMOTEUPGRADE

CVE-2024-22473 is a medium-severity flaw (CVSS 6.8) affecting gecko software development kit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	6.8 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-331, CWE-1279
Published	2024-02-21
Last modified	2026-06-17

Publisher (CNA): Silicon Labs · Vendor: silabs

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-02-21 19:15 UTCPublished CVE record published
2026-06-17 07:11 UTCUpdated Record last modified

silabs gecko software development kit UPGRADE

Affected: <= 4.4.0

Fixed in: newer than 4.4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy gecko-software-development-kit || rpm -q gecko-software-development-kit || gecko-software-development-kit --version

2. UPGRADE to newer than 4.4.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade gecko-software-development-kit

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade gecko-software-development-kit

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-22473?

gecko software development kit: upgrade to newer than 4.4.0. Exact commands for each OS are on this page.

Is CVE-2024-22473 being exploited?

CVE-2024-22473 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-22473 affect?

CVE-2024-22473 affects gecko software development kit. Severity is medium (CVSS 6.8). 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.

How urgent is CVE-2024-22473?

Priority 37/100. Remotely exploitable, no login, no user action

Software pages

HashiCorp Vault vulnerabilities

Related CVEs

CVE-2024-0240 MEDIUM 6.5 UPGRADE A memory leak in the Silicon Labs' Bluetooth stack for EFR32 products may cause memory to be exhausted when se
CVE-2023-6387 HIGH 7.5 UPGRADE A potential buffer overflow exists in the Bluetooth LE HCI CPC sample application in the Gecko SDK which may r
CVE-2023-5138 MEDIUM 6.8 UPGRADE Glitch detection is not enabled by default for the CortexM33 core in Silicon Labs secure vault high parts EFx3
CVE-2023-4280 CRITICAL 9.3 UPGRADE An unvalidated input in Silicon Labs TrustZone implementation in v4.3.x and earlier of the Gecko SDK allows an
CVE-2023-4020 CRITICAL 9.0 UPGRADE An unvalidated input in a library function responsible for communicating between secure and non-secure memory

References

← Back to latest CVEs