GSD-2022-1006686 cifs: Fix xid leak in cifs_flock()
A resource leak in the Linux kernel CIFS module allows local attackers to exhaust system resources, potentially causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1006686?
GSD-2022-1006686 is a denial of service vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
cifs: Fix xid leak in cifs_flock()
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 v6.0.6 by commit f8c9b4a963fec5d0e37e3e8522bb19b0c28e1a73, it was introduced in version v5.5 by commit d0677992d2af3d65f1c1c21de3323d09d4891537. For more details please see the references link.
Which versions are affected by GSD-2022-1006686?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006686?
No fix has been published for GSD-2022-1006686 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-2022-1006686 being exploited?
There is no known exploitation of GSD-2022-1006686 in the wild and no public exploit code.