GSD-2022-1005273 netdevsim: fib: Fix reference count leak on route deletion failure
A reference count leak in the Linux kernel netdevsim module can lead to memory exhaustion and 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-2022-1005273?
GSD-2022-1005273 is a memory corruption 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
netdevsim: fib: Fix reference count leak on route deletion failure
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 ece188f236db01f5f60f1bc578bde5af2a816db2, it was introduced in version v5.12 by commit 0ae3eb7b4611207e140e9772398b9f88b72d6839. For more details please see the references link.
Which versions are affected by GSD-2022-1005273?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005273?
No fix has been published for GSD-2022-1005273 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2022-1005273 being exploited?
There is no known exploitation of GSD-2022-1005273 in the wild and no public exploit code.