GSD-2022-1006474 netfilter: nf_tables: fix percpu memory leak at nf_tables_addchain()
A percpu memory leak in the Linux kernel's nf_tables subsystem can lead to resource exhaustion and denial of service.
- 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-2022-1006474?
GSD-2022-1006474 is a memory corruption vulnerability in Kernel, published on 9 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
netfilter: nf_tables: fix percpu memory leak at nf_tables_addchain()
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 v6.0 by commit 9a4d6dd554b86e65581ef6b6638a39ae079b17ac, it was introduced in version v5.3 by commit 3bc158f8d0330f0ac58597c023acca2234c14616. For more details please see the references link.
Which versions are affected by GSD-2022-1006474?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006474?
No fix has been published for GSD-2022-1006474 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2022-1006474 being exploited?
There is no known exploitation of GSD-2022-1006474 in the wild and no public exploit code.