GSD-2022-1007666 ext4: avoid crash when inline data creation follows DIO write
A local attacker can cause a system crash in the Linux kernel ext4 filesystem by triggering inline data creation after a direct I/O write.
- 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-2022-1007666?
GSD-2022-1007666 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 v4.9.331 by commit 3b31cc533665899965e351aae6cc3c3f3b9cc076. For more details please see the references link.
Which versions are affected by GSD-2022-1007666?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007666?
No fix has been published for GSD-2022-1007666 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-2022-1007666 being exploited?
There is no known exploitation of GSD-2022-1007666 in the wild and no public exploit code.