GSD-2022-1008360 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-2022-1008360?
GSD-2022-1008360 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 v4.9.333 by commit db4a0783ed78beb2ebaa32f5f785bfd79c580689, it was introduced in version v4.9.326 by commit d255c861e268ba342e855244639a15f12d7a0bf2. For more details please see the references link.
Which versions are affected by GSD-2022-1008360?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008360?
No fix has been published for GSD-2022-1008360 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-2022-1008360 being exploited?
There is no known exploitation of GSD-2022-1008360 in the wild and no public exploit code.