GSD-2022-1000548 ipv6: mcast: use rcu-safe version of ipv6_get_lladdr()
A race condition in the Linux kernel IPv6 multicast code could lead to a denial of service due to unsafe RCU usage.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1000548?
GSD-2022-1000548 is a vulnerability in Kernel, published on 27 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ipv6: mcast: use rcu-safe version of ipv6_get_lladdr()
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 v5.16.11 by commit 27f567c84f446048670376827e356f9c92033bf9, it was introduced in version v5.13 by commit 88e2ca3080947fe22eb520c1f8231e79a105d011. For more details please see the references link.
Which versions are affected by GSD-2022-1000548?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000548?
No fix has been published for GSD-2022-1000548 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1000548 being exploited?
There is no known exploitation of GSD-2022-1000548 in the wild and no public exploit code.