GSD-2021-1000798 netfilter: nft_ct: skip expectations for confirmed conntrack
A logic flaw in Linux kernel netfilter connection tracking allows skipping expectations for confirmed connections, potentially affecting network filtering integrity.
- 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-2021-1000798?
GSD-2021-1000798 is a vulnerability in Kernel, published on 25 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
netfilter: nft_ct: skip expectations for confirmed conntrack
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 v5.12.10 by commit 2c0e6b35b88a961127066a1028bce9c727cbc3e5, it was introduced in version v5.3 by commit 857b46027d6f91150797295752581b7155b9d0e1. For more details please see the references link.
Which versions are affected by GSD-2021-1000798?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000798?
No fix has been published for GSD-2021-1000798 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000798 being exploited?
There is no known exploitation of GSD-2021-1000798 in the wild and no public exploit code.