GSD-2021-1000767 netfilter: nft_ct: skip expectations for confirmed conntrack
A logic flaw in Linux kernel netfilter allows skipping expectations for confirmed connections, potentially affecting connection tracking 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-2021-1000767?
GSD-2021-1000767 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 v5.10.43 by commit 5f3429c05e4028a0e241afdad856dd15dec2ffb9, it was introduced in version v5.3 by commit 857b46027d6f91150797295752581b7155b9d0e1. For more details please see the references link.
Which versions are affected by GSD-2021-1000767?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000767?
No fix has been published for GSD-2021-1000767 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000767 being exploited?
There is no known exploitation of GSD-2021-1000767 in the wild and no public exploit code.