GSD-2021-1001178 nfsd: fix NULL dereference in nfs3svc_encode_getaclres
A NULL pointer dereference in the Linux Kernel NFS server allows remote attackers to cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1001178?
GSD-2021-1001178 is a vulnerability in Kernel, published on 3 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
nfsd: fix NULL dereference in nfs3svc_encode_getaclres
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 v5.13.4 by commit 650e6f383a6eb40f7c0a010982a74ab4b6893870, it was introduced in version v5.13 by commit 20798dfe249a01ad1b12eec7dbc572db5003244a. For more details please see the references link.
Which versions are affected by GSD-2021-1001178?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001178?
No fix has been published for GSD-2021-1001178 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001178 being exploited?
There is no known exploitation of GSD-2021-1001178 in the wild and no public exploit code.