GSD-2022-1006883 ext4: avoid crash when inline data creation follows DIO write
A local attacker can cause a kernel crash in the 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-2022-1006883?
GSD-2022-1006883 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 v6.0.3 by commit 771f15782d95760cde352c8d4bfd6f2c70719568. For more details please see the references link.
Which versions are affected by GSD-2022-1006883?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006883?
No fix has been published for GSD-2022-1006883 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-2022-1006883 being exploited?
There is no known exploitation of GSD-2022-1006883 in the wild and no public exploit code.