GSD-2022-1005116 net: rtnetlink: fix module reference count leak issue in rtnetlink_rcv_msg
A module reference count leak in the Linux kernel rtnetlink subsystem can lead to resource exhaustion and 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-2022-1005116?
GSD-2022-1005116 is a denial of service vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: rtnetlink: fix module reference count leak issue in rtnetlink_rcv_msg
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 v5.19.4 by commit ce12ce2e88646e221601f29a7dd8d7613f5cbf01, it was introduced in version v5.19 by commit a6cec0bcd34264be8887791594be793b3f12719f. For more details please see the references link.
Which versions are affected by GSD-2022-1005116?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005116?
No fix has been published for GSD-2022-1005116 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-2022-1005116 being exploited?
There is no known exploitation of GSD-2022-1005116 in the wild and no public exploit code.