GSD-2022-1000920 netfilter: nf_queue: fix possible use-after-free
A use-after-free vulnerability in the Linux kernel netfilter nf_queue subsystem could allow local attackers to execute arbitrary code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1000920?
GSD-2022-1000920 is an use after free 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_queue: fix possible use-after-free
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 v4.14.270 by commit ef97921ccdc243170fcef857ba2a17cf697aece5, it was introduced in version v2.6.29 by commit 271b72c7fa82c2c7a795bc16896149933110672d. For more details please see the references link.
Which versions are affected by GSD-2022-1000920?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000920?
No fix has been published for GSD-2022-1000920 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2022-1000920 being exploited?
There is no known exploitation of GSD-2022-1000920 in the wild and no public exploit code.