GSD-2022-1001948 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 acting as a router.
- 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-2022-1001948?
GSD-2022-1001948 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 v5.10.112 by commit a263712ba8c9ded25dd9d2d5ced11bcea5b33a3e, it was introduced in version v5.10.54 by commit 79ec7b5b2f4fe38e5c7459ed0bdff4ef3386ab63. For more details please see the references link.
Which versions are affected by GSD-2022-1001948?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001948?
No fix has been published for GSD-2022-1001948 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-2022-1001948 being exploited?
There is no known exploitation of GSD-2022-1001948 in the wild and no public exploit code.