GSD-2022-1005673 netfilter: nf_tables: do not allow SET_ID to refer to another table
A missing authorization check in Linux kernel netfilter allows privileged users to reference sets across tables, potentially leading to privilege escalation or data modification.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1005673?
GSD-2022-1005673 is a missing authorization vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
netfilter: nf_tables: do not allow SET_ID to refer to another table
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 v5.15.61 by commit faafd9286f1355c76fe9ac3021c280297213330e, it was introduced in version v3.16 by commit 958bee14d0718ca7a5002c0f48a099d1d345812a. For more details please see the references link.
Which versions are affected by GSD-2022-1005673?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005673?
No fix has been published for GSD-2022-1005673 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-2022-1005673 being exploited?
There is no known exploitation of GSD-2022-1005673 in the wild and no public exploit code.