GSD-2023-1001708 nfsd: fix handling of cached open files in nfsd4_open codepath
A bug in the Linux Kernel NFS server's handling of cached open files can lead to potential denial of service issues.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1001708?
GSD-2023-1001708 is a vulnerability in Kernel, published on 31 Jan 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
nfsd: fix handling of cached open files in nfsd4_open codepath
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 v6.1.7 by commit 973acfdfe90c8a4e58ade97ff0653a498531ff2e, it was introduced in version v5.19 by commit fb70bf124b051d4ded4ce57511dfec6d3ebf2b43. For more details please see the references link.
Which versions are affected by GSD-2023-1001708?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001708?
No fix has been published for GSD-2023-1001708 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1001708 being exploited?
There is no known exploitation of GSD-2023-1001708 in the wild and no public exploit code.