GSD-2023-1001946 erofs: fix kvcalloc() misuse with __GFP_NOFAIL
A misuse of kvcalloc with __GFP_NOFAIL in the EROFS filesystem can lead to system instability or denial of service.
- 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-2023-1001946?
GSD-2023-1001946 is a denial of service vulnerability in Kernel, published on 13 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
erofs: fix kvcalloc() misuse with __GFP_NOFAIL
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 v6.1.9 by commit 7b28a8920844042ca9f44934d8f15d210ef42c75, it was introduced in version v6.0 by commit fe3e5914e6dc8db743fa587748ce1d9ecd4a5dba. For more details please see the references link.
Which versions are affected by GSD-2023-1001946?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001946?
No fix has been published for GSD-2023-1001946 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-2023-1001946 being exploited?
There is no known exploitation of GSD-2023-1001946 in the wild and no public exploit code.