GSD-2023-1000867 ext4: fix inode leak in ext4_xattr_inode_create() on an error path
A local attacker can cause a memory leak in the ext4 filesystem, potentially leading to resource exhaustion and 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-2023-1000867?
GSD-2023-1000867 is a memory corruption vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ext4: fix inode leak in ext4_xattr_inode_create() on an error path
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 v5.15.87 by commit 322cf639b0b7f137543072c55545adab782b3a25. For more details please see the references link.
Which versions are affected by GSD-2023-1000867?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000867?
No fix has been published for GSD-2023-1000867 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-2023-1000867 being exploited?
There is no known exploitation of GSD-2023-1000867 in the wild and no public exploit code.