GSD-2023-1000234 ipv4: Handle attempt to delete multipath route when fib_info contains an nh reference
A null pointer dereference in the Linux kernel IPv4 routing code can cause a system crash when deleting multipath routes.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1000234?
GSD-2023-1000234 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
ipv4: Handle attempt to delete multipath route when fib_info contains an nh reference
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 v5.10.158 by commit 0b5394229ebae09afc07aabccb5ffd705ffd250e, it was introduced in version v5.3 by commit 493ced1ac47c48bb86d9d4e8e87df8592be85a0e. For more details please see the references link.
Which versions are affected by GSD-2023-1000234?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000234?
No fix has been published for GSD-2023-1000234 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1000234 being exploited?
There is no known exploitation of GSD-2023-1000234 in the wild and no public exploit code.