GSD-2022-1006245 jbd2: fix assertion 'jh->b_frozen_data == NULL' failure when journal aborted
A flaw in the Linux kernel jbd2 journaling subsystem can cause an assertion failure and system crash when the journal is aborted.
- 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-2022-1006245?
GSD-2022-1006245 is a denial of service vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
jbd2: fix assertion 'jh->b_frozen_data == NULL' failure when journal aborted
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 v4.14.291 by commit 0f61c6dc4b714be9d79cf0782ca02ba01c1b7ac3, it was introduced in version v2.6.19 by commit 470decc613ab2048b619a01028072d932d9086ee. For more details please see the references link.
Which versions are affected by GSD-2022-1006245?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006245?
No fix has been published for GSD-2022-1006245 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-2022-1006245 being exploited?
There is no known exploitation of GSD-2022-1006245 in the wild and no public exploit code.