GSD-2022-1007988 Bluetooth: L2CAP: Fix memory leak in vhci_write
A memory leak in the Linux Kernel Bluetooth L2CAP vhci_write function allows local attackers to cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1007988?
GSD-2022-1007988 is a memory corruption 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 memory leak in vhci_write
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 v5.15.78 by commit aa16cac06b752e5f609c106735bd7838f444784c, it was introduced in version v5.12 by commit 4d7ea8ee90e42fc75995f6fb24032d3233314528. For more details please see the references link.
Which versions are affected by GSD-2022-1007988?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007988?
No fix has been published for GSD-2022-1007988 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2022-1007988 being exploited?
There is no known exploitation of GSD-2022-1007988 in the wild and no public exploit code.