GSD-2022-1001377 NFSv4.2: fix reference count leaks in _nfs42_proc_copy_notify()
Reference count leaks in the Linux Kernel NFSv4.2 copy notify function can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1001377?
GSD-2022-1001377 is a memory corruption vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
NFSv4.2: fix reference count leaks in _nfs42_proc_copy_notify()
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 v5.16.20 by commit fb73bf6305f4eb8f0cf9a61ee874d55f019d6dc4. For more details please see the references link.
Which versions are affected by GSD-2022-1001377?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001377?
No fix has been published for GSD-2022-1001377 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-2022-1001377 being exploited?
There is no known exploitation of GSD-2022-1001377 in the wild and no public exploit code.