GSD-2022-1007109 NFSD: Protect against send buffer overflow in NFSv2 READDIR
A buffer overflow in the Linux Kernel NFSv2 READDIR handler allows remote attackers to cause a denial of service.
- 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-2022-1007109?
GSD-2022-1007109 is a denial of service vulnerability in Kernel, published on 14 Nov 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
NFSD: Protect against send buffer overflow in NFSv2 READDIR
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 v5.15.75 by commit dc7f225090c29a5f3b9419b1af32846a201555e7, it was introduced in version v5.15.12 by commit eabc0aab98e5218ceecd82069b0d6fdfff5ee885. For more details please see the references link.
Which versions are affected by GSD-2022-1007109?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007109?
No fix has been published for GSD-2022-1007109 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1007109 being exploited?
There is no known exploitation of GSD-2022-1007109 in the wild and no public exploit code.