GSD-2021-1000750 net: caif: fix memory leak in cfusbl_device_notify
A memory leak in the Linux kernel CAIF driver allows local attackers to cause denial of service by exhausting system memory.
- 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-2021-1000750?
GSD-2021-1000750 is a memory corruption 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 v5.4.125 by commit 4d94f530cd24c85aede6e72b8923f371b45d6886, it was introduced in version v3.3 by commit 7ad65bf68d705b445ef10b77ab50dab22be185ee. For more details please see the references link.
Which versions are affected by GSD-2021-1000750?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000750?
No fix has been published for GSD-2021-1000750 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2021-1000750 being exploited?
There is no known exploitation of GSD-2021-1000750 in the wild and no public exploit code.