GSD-2022-1001643 ipv6: fix panic when forwarding a pkt with no in6 dev
A remote attacker can cause a kernel panic and system crash by sending specially crafted IPv6 packets to a Linux system configured for forwarding.
- 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-2022-1001643?
GSD-2022-1001643 is a denial of service vulnerability in Kernel, published on 24 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ipv6: fix panic when forwarding a pkt with no in6 dev
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 v5.15.35 by commit adee01bbf6cb5b3e4ed08be8ff866aac90f13836, it was introduced in version v5.14 by commit ccd27f05ae7b8ebc40af5b004e94517a919aa862. For more details please see the references link.
Which versions are affected by GSD-2022-1001643?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001643?
No fix has been published for GSD-2022-1001643 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-2022-1001643 being exploited?
There is no known exploitation of GSD-2022-1001643 in the wild and no public exploit code.