GSD-2023-1000447 ext4: silence the warning when evicting inode with dioread_nolock
A kernel warning triggered during inode eviction with dioread_nolock could lead to denial of service, requiring a kernel patch.
- 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-2023-1000447?
GSD-2023-1000447 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: silence the warning when evicting inode with dioread_nolock
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 3b893cc9a8d8b4e486a6639f5e107b56b7197d2e, it was introduced in version v5.8 by commit ceff86fddae8748fe00d4f2d249cb02cae62ad84. For more details please see the references link.
Which versions are affected by GSD-2023-1000447?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000447?
No fix has been published for GSD-2023-1000447 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-2023-1000447 being exploited?
There is no known exploitation of GSD-2023-1000447 in the wild and no public exploit code.