GSD-2022-1007842 Bluetooth: L2CAP: fix use-after-free in l2cap_conn_del()
A use-after-free vulnerability in the Linux Kernel Bluetooth L2CAP subsystem allows attackers to potentially execute code or cause a denial of service.
- 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-2022-1007842?
GSD-2022-1007842 is an use after free vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Bluetooth: L2CAP: fix use-after-free in l2cap_conn_del()
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 v6.0.8 by commit 8f7e4cf0694149a5d999d676ebd9ecf1b4cb2cc9, it was introduced in version v5.19 by commit d0be8347c623e0ac4202a1d4e0373882821f56b0. For more details please see the references link.
Which versions are affected by GSD-2022-1007842?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007842?
No fix has been published for GSD-2022-1007842 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2022-1007842 being exploited?
There is no known exploitation of GSD-2022-1007842 in the wild and no public exploit code.