GSD-2021-1000060 ext4: always panic when errors=panic is specified
A flaw in the Linux kernel ext4 filesystem causes a system panic when errors=panic is configured, leading to 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-2021-1000060?
GSD-2021-1000060 is a denial of service vulnerability in Kernel, published on 31 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ext4: always panic when errors=panic is specified
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 v5.12.3 by commit 1e9ea8f4637026b8e965128953f2da061ccae9c4, it was introduced in version v5.11 by commit 014c9caa29d3a44e0de695c99ef18bec3e887d52. For more details please see the references link.
Which versions are affected by GSD-2021-1000060?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000060?
No fix has been published for GSD-2021-1000060 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-2021-1000060 being exploited?
There is no known exploitation of GSD-2021-1000060 in the wild and no public exploit code.