GSD-2022-1003191 exfat: check if cluster num is valid
A missing validation of cluster numbers in the exFAT filesystem can lead to a denial of service, requiring a kernel patch.
- 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-2022-1003191?
GSD-2022-1003191 is a denial of service vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
exfat: check if cluster num is valid
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 v5.17.13 by commit 7c58b14b6f9cde9f69e7fa053ab73f6e013a7131, it was introduced in version v5.7 by commit 1e49a94cf707204b66a3fb242f2814712c941f52. For more details please see the references link.
Which versions are affected by GSD-2022-1003191?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003191?
No fix has been published for GSD-2022-1003191 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-2022-1003191 being exploited?
There is no known exploitation of GSD-2022-1003191 in the wild and no public exploit code.