CVE-2024-7138 Denial of Service in Silicon Labs RS9116 Bluetooth SDK
Attackers can cause a temporary denial of service in Silicon Labs RS9116 Bluetooth SDK devices by sending malformed L2CAP packets, potentially requiring a hard reset.
- 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-2024-7138?
CVE-2024-7138 is a medium-severity denial of service vulnerability in silabs.com RS9116 Bluetooth SDK, published on 19 Dec 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An assert may be triggered, causing a temporary denial of service when a peer device sends a specially crafted malformed L2CAP packet. If a watchdog timer is not enabled, a hard reset is required to recover the device.
Weakness: CWE-617
Which versions are affected by CVE-2024-7138?
How do I fix CVE-2024-7138?
No fix has been published for CVE-2024-7138 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-2024-7138 being exploited?
There is no known exploitation of CVE-2024-7138 in the wild and no public exploit code.
Sources
Also known as GHSA-9446-54vc-3xw5.