GSD-2022-1005618 netdevsim: fib: Fix reference count leak on route deletion failure
A reference count leak in the netdevsim FIB module can lead to memory exhaustion and denial of service, requiring a kernel patch.
- 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-2022-1005618?
GSD-2022-1005618 is a memory corruption vulnerability in Kernel, published on 17 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 v5.15.61 by commit f671cf48f383fccba313346eddb4bd6bcbdb55a4, it was introduced in version v5.12 by commit 0ae3eb7b4611207e140e9772398b9f88b72d6839. For more details please see the references link.
Which versions are affected by GSD-2022-1005618?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005618?
No fix has been published for GSD-2022-1005618 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-2022-1005618 being exploited?
There is no known exploitation of GSD-2022-1005618 in the wild and no public exploit code.