GSD-2021-1001177 NFSD: Prevent a possible oops in the nfs_dirent() tracepoint
A null pointer dereference in the Linux Kernel NFSD tracepoint can cause a system crash, requiring a kernel upgrade to fix.
- 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-2021-1001177?
GSD-2021-1001177 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: Prevent a possible oops in the nfs_dirent() tracepoint
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 7605bff387a9972038b217b6c60998778dbae931, it was introduced in version v5.13 by commit 6019ce0742ca55d3e45279a19b07d1542747a098. For more details please see the references link.
Which versions are affected by GSD-2021-1001177?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001177?
No fix has been published for GSD-2021-1001177 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001177 being exploited?
There is no known exploitation of GSD-2021-1001177 in the wild and no public exploit code.