GSD-2023-1000648 ksmbd: Fix resource leak in ksmbd_session_rpc_open()
A resource leak in the ksmbd kernel module allows attackers to cause a denial of service by exhausting system resources.
- 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-2023-1000648?
GSD-2023-1000648 is a denial of service vulnerability in Kernel, published on 17 Jan 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
ksmbd: Fix resource leak in ksmbd_session_rpc_open()
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 v6.0.16 by commit 9cb49b95c05df09b369d1ec1f378b5c92109433c, it was introduced in version v5.15 by commit e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9. For more details please see the references link.
Which versions are affected by GSD-2023-1000648?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000648?
No fix has been published for GSD-2023-1000648 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-2023-1000648 being exploited?
There is no known exploitation of GSD-2023-1000648 in the wild and no public exploit code.