CVE-2024-7137 Denial of Service in Silicon Labs RS9116 Bluetooth SDK
Attackers can crash Silicon Labs RS9116 Bluetooth devices by sending oversized L2CAP packets, requiring a hard reset to recover.
- 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-2024-7137?
CVE-2024-7137 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
The L2CAP receive data buffer for L2CAP packets is restricted to packet sizes smaller than the maximum supported packet size. Receiving a packet that exceeds the restricted buffer length may cause a crash. A hard reset is required to recover the crashed device.
Weakness: CWE-787
Which versions are affected by CVE-2024-7137?
How do I fix CVE-2024-7137?
No fix has been published for CVE-2024-7137 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-2024-7137 being exploited?
There is no known exploitation of CVE-2024-7137 in the wild and no public exploit code.
Sources
Also known as GHSA-mwxc-q3ch-vfhx.