GSD-2022-1006099 ext4: avoid resizing to a partial cluster size
A flaw in the Linux kernel ext4 filesystem could allow a local attacker to cause a denial of service by triggering a partial cluster size resize.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1006099?
GSD-2022-1006099 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
ext4: avoid resizing to a partial cluster size
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 v4.19.256 by commit 7bdfb01fc5f6b3696728aeb527c50386e0ee09a1. For more details please see the references link.
Which versions are affected by GSD-2022-1006099?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006099?
No fix has been published for GSD-2022-1006099 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-2022-1006099 being exploited?
There is no known exploitation of GSD-2022-1006099 in the wild and no public exploit code.