GSD-2022-1005374 vfs: Check the truncate maximum size in inode_newsize_ok()
A missing size check in the Linux kernel VFS layer allows local attackers to trigger an integer overflow, potentially causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1005374?
GSD-2022-1005374 is a vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
vfs: Check the truncate maximum size in inode_newsize_ok()
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 v5.19.2 by commit 5db80480c5d56aec1ac6b9408832595777eeaf67, it was introduced in version v5.17 by commit 1f08c925e7a38002bde509e66f6f891468848511. For more details please see the references link.
Which versions are affected by GSD-2022-1005374?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005374?
No fix has been published for GSD-2022-1005374 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005374 being exploited?
There is no known exploitation of GSD-2022-1005374 in the wild and no public exploit code.