GSD-2022-1007122 ext4: avoid crash when inline data creation follows DIO write
A local attacker can trigger a kernel crash in the ext4 filesystem by performing specific write operations, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1007122?
GSD-2022-1007122 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: avoid crash when inline data creation follows DIO write
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 v5.15.75 by commit d8e4af8314df54d94cf2a541cf9c8626afe81d41. For more details please see the references link.
Which versions are affected by GSD-2022-1007122?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007122?
No fix has been published for GSD-2022-1007122 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-2022-1007122 being exploited?
There is no known exploitation of GSD-2022-1007122 in the wild and no public exploit code.