GSD-2022-1001243 Bluetooth: hci_serdev: call init_rwsem() before p->open()
A race condition in the Linux Kernel Bluetooth driver can lead to system instability or denial of service due to improper semaphore initialization.
- 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 GSD-2022-1001243?
GSD-2022-1001243 is a vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Bluetooth: hci_serdev: call init_rwsem() before p->open()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.17.2 by commit c6049161291737242d5a008bd8ebe0409b175a43, it was introduced in version v4.16 by commit d73e172816652772114827abaa2dbc053eecbbd7. For more details please see the references link.
Which versions are affected by GSD-2022-1001243?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001243?
No fix has been published for GSD-2022-1001243 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1001243 being exploited?
There is no known exploitation of GSD-2022-1001243 in the wild and no public exploit code.