GSD-2023-1000663 cxl: fix possible null-ptr-deref in cxl_pci_init_afu|adapter()
A null pointer dereference in the Linux kernel CXL driver can cause a system crash, requiring a kernel patch to resolve.
- 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-2023-1000663?
GSD-2023-1000663 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
cxl: fix possible null-ptr-deref in cxl_pci_init_afu|adapter()
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 v6.0.16 by commit 139abd4c626a6f7ce02789ed5f73aa2256e0542b, it was introduced in version v3.18 by commit f204e0b8cedd7da1dfcfd05ed6b7692737e24029. For more details please see the references link.
Which versions are affected by GSD-2023-1000663?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000663?
No fix has been published for GSD-2023-1000663 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1000663 being exploited?
There is no known exploitation of GSD-2023-1000663 in the wild and no public exploit code.