GSD-2023-1000408 ext4: fix bug_on in __es_tree_search caused by bad quota inode
A bug in the ext4 filesystem's quota inode handling can trigger a kernel bug_on, leading to a system crash or 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-2023-1000408?
GSD-2023-1000408 is a denial of service vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ext4: fix bug_on in __es_tree_search caused by bad quota inode
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 v6.0.18 by commit 794c9175db1f2e5d2a28c326f10bd024dbd944f8. For more details please see the references link.
Which versions are affected by GSD-2023-1000408?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000408?
No fix has been published for GSD-2023-1000408 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-2023-1000408 being exploited?
There is no known exploitation of GSD-2023-1000408 in the wild and no public exploit code.