GSD-2022-1004222 ipv6: fix lockdep splat in in6_dump_addrs()
A lockdep splat in the Linux kernel IPv6 address dumping function can cause a denial of service, requiring a kernel upgrade to fix.
- 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-2022-1004222?
GSD-2022-1004222 is a denial of service vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ipv6: fix lockdep splat in in6_dump_addrs()
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 v5.18.10 by commit b39fda51c32dd879451e0119881f31493bf83283, it was introduced in version v5.13 by commit 88e2ca3080947fe22eb520c1f8231e79a105d011. For more details please see the references link.
Which versions are affected by GSD-2022-1004222?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004222?
No fix has been published for GSD-2022-1004222 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-2022-1004222 being exploited?
There is no known exploitation of GSD-2022-1004222 in the wild and no public exploit code.