GSD-2022-1002672 ext4: fix bug_on in __es_tree_search
A bug in the ext4 filesystem's extent status tree search can trigger a kernel bug_on, potentially causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1002672?
GSD-2022-1002672 is a denial of service vulnerability in Kernel, published on 28 Jun 2022.
Official description
ext4: fix bug_on in __es_tree_search
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 v5.18.3 by commit ea6ea18b3ab0c0d7fefffb3c4d27df758b1c790a, it was introduced in version v3.13 by commit 5946d089379a35dda0e531710b48fca05446a196. For more details please see the references link.
Which versions are affected by GSD-2022-1002672?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002672?
No fix has been published for GSD-2022-1002672 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-2022-1002672 being exploited?
There is no known exploitation of GSD-2022-1002672 in the wild and no public exploit code.