GSD-2022-1005727 net/af_packet: check len when min_header_len equals to 0
A missing length check in the Linux kernel's af_packet module can cause a null pointer dereference, leading to a local 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-2022-1005727?
GSD-2022-1005727 is a vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net/af_packet: check len when min_header_len equals to 0
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 v5.10.141 by commit 4931af31c402b20c528b43d90f98bc6f4bcb5810, it was introduced in version v5.10.141 by commit 6204bf78b2a903b96ba43afff6abc0b04d6e0462. For more details please see the references link.
Which versions are affected by GSD-2022-1005727?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005727?
No fix has been published for GSD-2022-1005727 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005727 being exploited?
There is no known exploitation of GSD-2022-1005727 in the wild and no public exploit code.