GSD-2021-1001143 nilfs2: fix memory leak in nilfs_sysfs_delete_device_group
A memory leak in the nilfs2 filesystem allows local attackers to cause denial of service by exhausting kernel memory.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1001143?
GSD-2021-1001143 is a memory corruption vulnerability in Kernel, published on 8 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
nilfs2: fix memory leak in nilfs_sysfs_delete_device_group
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 v5.13 by commit 8fd0c1b0647a6bda4067ee0cd61e8395954b6f28, it was introduced in version v3.17 by commit da7141fb78db915680616e15677539fc8140cf53. For more details please see the references link.
Which versions are affected by GSD-2021-1001143?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001143?
No fix has been published for GSD-2021-1001143 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-2021-1001143 being exploited?
There is no known exploitation of GSD-2021-1001143 in the wild and no public exploit code.