GSD-2022-1007944 net: lapbether: fix issue of invalid opcode in lapbeth_open()
A bug in the Linux kernel's lapbether driver causes an invalid opcode, potentially leading to a system crash or 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-2022-1007944?
GSD-2022-1007944 is a denial of service 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
net: lapbether: fix issue of invalid opcode in lapbeth_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 v5.15.79 by commit 4689bd3a1b23a1bd917899e63b81bca2ccdfab45, it was introduced in version v5.13 by commit 514e1150da9cd8d7978d990a353636cf1a7a87c2. For more details please see the references link.
Which versions are affected by GSD-2022-1007944?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007944?
No fix has been published for GSD-2022-1007944 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1007944 being exploited?
There is no known exploitation of GSD-2022-1007944 in the wild and no public exploit code.