GSD-2022-1005051 netfilter: nft_tproxy: restrict to prerouting hook
The Linux kernel netfilter tproxy module allowed usage outside the prerouting hook, potentially bypassing intended network traffic restrictions.
- 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-2022-1005051?
GSD-2022-1005051 is a missing authorization vulnerability in Kernel, published on 16 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
netfilter: nft_tproxy: restrict to prerouting hook
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 v5.19.6 by commit 343fed6b0daeb528ae5c9d4d84d9ff763ac95619, it was introduced in version v4.19 by commit 4ed8eb6570a49931c705512060acd50058d61616. For more details please see the references link.
Which versions are affected by GSD-2022-1005051?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005051?
No fix has been published for GSD-2022-1005051 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is GSD-2022-1005051 being exploited?
There is no known exploitation of GSD-2022-1005051 in the wild and no public exploit code.