GSD-2021-1000636 NFS: Fix an Oopsable condition in __nfs_pageio_add_request()
A null pointer dereference in the Linux Kernel NFS client can cause a system crash, requiring a kernel patch to prevent denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1000636?
GSD-2021-1000636 is a vulnerability in Kernel, published on 4 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
NFS: Fix an Oopsable condition in __nfs_pageio_add_request()
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 v5.4.124 by commit 1fc5f4eb9d31268ac3ce152d74ad5501ad24ca3e, it was introduced in version v4.0 by commit a7d42ddb3099727f58366fa006f850a219cce6c8. For more details please see the references link.
Which versions are affected by GSD-2021-1000636?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000636?
No fix has been published for GSD-2021-1000636 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000636 being exploited?
There is no known exploitation of GSD-2021-1000636 in the wild and no public exploit code.