GSD-2022-1002157 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-2022-1002157?
GSD-2022-1002157 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 v5.4.190 by commit ab2f5afb7af5c68389e8c7dd29e0a98fbeaaa435, it was introduced in version v5.4.136 by commit 7f4848229e91d508102b30396b8a1b710ac23637. For more details please see the references link.
Which versions are affected by GSD-2022-1002157?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002157?
No fix has been published for GSD-2022-1002157 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-2022-1002157 being exploited?
There is no known exploitation of GSD-2022-1002157 in the wild and no public exploit code.