GSD-2022-1005947 f2fs: fix to avoid use f2fs_bug_on() in f2fs_new_node_page()
A local attacker can trigger a kernel bug check in the f2fs filesystem, causing a system crash and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1005947?
GSD-2022-1005947 is a denial of service 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
f2fs: fix to avoid use f2fs_bug_on() in f2fs_new_node_page()
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 v5.4.211 by commit 29e734ec33ae4bd7de4018fb0fb0eec808c36b92. For more details please see the references link.
Which versions are affected by GSD-2022-1005947?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005947?
No fix has been published for GSD-2022-1005947 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1005947 being exploited?
There is no known exploitation of GSD-2022-1005947 in the wild and no public exploit code.