GSD-2022-1004009 Bluetooth: fix dangling sco_conn and use-after-free in sco_sock_timeout
A use-after-free vulnerability in the Linux Kernel Bluetooth 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-2022-1004009?
GSD-2022-1004009 is an use after free vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Bluetooth: fix dangling sco_conn and use-after-free in sco_sock_timeout
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 v4.14.283 by commit 7d61dbd7311ab978d8ddac1749a758de4de00374, it was introduced in version v4.14.247 by commit 0115a66ebb44bd9127ccb58cf43ed23c795eb1f0. For more details please see the references link.
Which versions are affected by GSD-2022-1004009?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004009?
No fix has been published for GSD-2022-1004009 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-2022-1004009 being exploited?
There is no known exploitation of GSD-2022-1004009 in the wild and no public exploit code.