GSD-2022-1000432 ipmr,ip6mr: acquire RTNL before calling ip[6]mr_free_table() on failure path
A race condition in the Linux kernel multicast routing code can lead to a denial of service when RTNL is not acquired during error handling.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1000432?
GSD-2022-1000432 is a vulnerability in Kernel, published on 27 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ipmr,ip6mr: acquire RTNL before calling ip[6]mr_free_table() on failure path
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 v5.15.24 by commit 3cab045c99dbb9a94eb2d1d405f399916eec698a, it was introduced in version v4.0 by commit f243e5a7859a24d10975afb9a1708cac624ba6f1. For more details please see the references link.
Which versions are affected by GSD-2022-1000432?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000432?
No fix has been published for GSD-2022-1000432 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1000432 being exploited?
There is no known exploitation of GSD-2022-1000432 in the wild and no public exploit code.