GSD-2021-1001057 netfilter: nf_tables: initialize set before expression setup
A missing initialization in Linux kernel netfilter nf_tables could lead to instability or crashes, requiring local privileged access to exploit.
- 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-2021-1001057?
GSD-2021-1001057 is a vulnerability in Kernel, published on 30 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
netfilter: nf_tables: initialize set before expression setup
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 v5.12.13 by commit a1f6740fa3938baa2a45c3dfc53402b78122a8a8, it was introduced in version v5.7 by commit 65038428b2c6c5be79d3f78a6b79c0cdc3a58a41. For more details please see the references link.
Which versions are affected by GSD-2021-1001057?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001057?
No fix has been published for GSD-2021-1001057 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001057 being exploited?
There is no known exploitation of GSD-2021-1001057 in the wild and no public exploit code.