GSD-2022-1003968 jffs2: fix memory leak in jffs2_do_fill_super
A memory leak in the JFFS2 filesystem allows local attackers to cause denial of service by exhausting kernel memory.
- 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-2022-1003968?
GSD-2022-1003968 is a memory corruption vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
jffs2: fix memory leak in jffs2_do_fill_super
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 v4.14.283 by commit 4da8763a3d2b684c773b72ed80fad40bc264bc40, it was introduced in version v2.6.15 by commit e631ddba588783edd521c5a89f7b2902772fb691. For more details please see the references link.
Which versions are affected by GSD-2022-1003968?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003968?
No fix has been published for GSD-2022-1003968 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2022-1003968 being exploited?
There is no known exploitation of GSD-2022-1003968 in the wild and no public exploit code.