GSD-2022-1000740 netfilter: nf_tables: fix memory leak during stateful obj update
A memory leak in the Linux kernel netfilter subsystem allows local attackers to cause 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-2022-1000740?
GSD-2022-1000740 is a memory corruption vulnerability in Kernel, published on 18 Mar 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 memory leak during stateful obj update
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 v5.16.12 by commit 34bb90e407e3288f610558beaae54ecaa32b11c4, it was introduced in version v5.4 by commit d62d0ba97b5803183e70cfded7f7b9da76893bf5. For more details please see the references link.
Which versions are affected by GSD-2022-1000740?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000740?
No fix has been published for GSD-2022-1000740 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-2022-1000740 being exploited?
There is no known exploitation of GSD-2022-1000740 in the wild and no public exploit code.