GSD-2022-1002093 dax: make sure inodes are flushed before destroy cache
A flaw in the Linux Kernel DAX implementation may cause a denial of service if inodes are not flushed before cache destruction.
- 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-2022-1002093?
GSD-2022-1002093 is a denial of service vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
dax: make sure inodes are flushed before destroy cache
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 v5.10.110 by commit ec376f5c11c88c0215d173599db8449cd4196759, it was introduced in version v4.12 by commit 7b6be8444e0f0dd675b54d059793423d3c9b4c03. For more details please see the references link.
Which versions are affected by GSD-2022-1002093?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002093?
No fix has been published for GSD-2022-1002093 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-2022-1002093 being exploited?
There is no known exploitation of GSD-2022-1002093 in the wild and no public exploit code.