GSD-2022-1003662 exfat: check if cluster num is valid
An attacker can cause a denial of service in the Linux kernel by providing an invalid cluster number to the exFAT filesystem.
- 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-2022-1003662?
GSD-2022-1003662 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 v5.10.120 by commit 82f723b8a5adf497f9e34c702a30ca7298615654, it was introduced in version v5.7 by commit 1e49a94cf707204b66a3fb242f2814712c941f52. For more details please see the references link.
Which versions are affected by GSD-2022-1003662?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003662?
No fix has been published for GSD-2022-1003662 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-2022-1003662 being exploited?
There is no known exploitation of GSD-2022-1003662 in the wild and no public exploit code.