GSD-2023-1000699 RDMA/core: Make sure "ib_port" is valid when access sysfs node
A null pointer dereference in the Linux Kernel RDMA core allows local attackers to cause a system crash via sysfs access.
- 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-2023-1000699?
GSD-2023-1000699 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
RDMA/core: Make sure "ib_port" is valid when access sysfs node
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 ac7a7d7079124f46180714b2d41a1703d37101bb, it was introduced in version v5.14 by commit d8a5883814b9f7c08d7ff291070687d925b4f859. For more details please see the references link.
Which versions are affected by GSD-2023-1000699?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000699?
No fix has been published for GSD-2023-1000699 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1000699 being exploited?
There is no known exploitation of GSD-2023-1000699 in the wild and no public exploit code.