GSD-2023-1001311 ovl: fix use inode directly in rcu-walk mode
A null pointer dereference in the Linux Kernel overlayfs module during RCU-walk mode can cause a system crash, requiring local access to exploit.
- 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-2023-1001311?
GSD-2023-1001311 is a 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
ovl: fix use inode directly in rcu-walk mode
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 v5.10.163 by commit 740c537f52c1f54aff9094744483d1515c7c8b7b, it was introduced in version v5.7 by commit bccece1ead368149f90e05ad104dfbfda4422f5d. For more details please see the references link.
Which versions are affected by GSD-2023-1001311?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001311?
No fix has been published for GSD-2023-1001311 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1001311 being exploited?
There is no known exploitation of GSD-2023-1001311 in the wild and no public exploit code.