GSD-2022-1006879 ext4: fix dir corruption when ext4_dx_add_entry() fails
A flaw in the ext4 filesystem can cause directory corruption when adding entries fails, potentially leading to 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-2022-1006879?
GSD-2022-1006879 is a denial of service vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ext4: fix dir corruption when ext4_dx_add_entry() fails
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 v6.0.3 by commit c7661bdb78fd3ede8290498180a612b35d148e5b. For more details please see the references link.
Which versions are affected by GSD-2022-1006879?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006879?
No fix has been published for GSD-2022-1006879 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-2022-1006879 being exploited?
There is no known exploitation of GSD-2022-1006879 in the wild and no public exploit code.