GSD-2021-1000809 net: caif: fix memory leak in cfusbl_device_notify
A memory leak in the Linux Kernel CAIF driver allows attackers to cause a denial of service via resource exhaustion.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1000809?
GSD-2021-1000809 is a denial of service vulnerability in Kernel, published on 25 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: caif: fix memory leak in cfusbl_device_notify
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 v5.12.10 by commit dde8686985ec24d6b00487080a906609bd613ea1, it was introduced in version v3.3 by commit 7ad65bf68d705b445ef10b77ab50dab22be185ee. For more details please see the references link.
Which versions are affected by GSD-2021-1000809?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000809?
No fix has been published for GSD-2021-1000809 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-2021-1000809 being exploited?
There is no known exploitation of GSD-2021-1000809 in the wild and no public exploit code.