CVE-2024-0240 Silicon Labs EFR32 Bluetooth stack denial of service when sending notifications to multiple clients

Medium 6.5 Published Updated

A memory leak in the Silicon Labs EFR32 Bluetooth stack causes denial of service when sending notifications to multiple clients.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2024-0240?

CVE-2024-0240 is a medium-severity denial of service vulnerability in silabs.com GSDK, published on 15 Feb 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A memory leak in the Silicon Labs' Bluetooth stack for EFR32 products may cause memory to be exhausted when sending notifications to multiple clients, this results in all Bluetooth operations, such as advertising and scanning, to stop.

Weakness: CWE-401

Which versions are affected by CVE-2024-0240?

It affects 1 product.

Products include Silabs Gecko Software Development Kit.

How do I fix CVE-2024-0240?

No fix has been published for CVE-2024-0240 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2024-0240 being exploited?

There is no known exploitation of CVE-2024-0240 in the wild and no public exploit code.

Sources

Also known as GHSA-x2cq-7whj-pv8w.

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