GSD-2021-1000774 net: caif: fix memory leak in cfusbl_device_notify
A memory leak in the Linux kernel CAIF driver allows attackers to cause 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-2021-1000774?
GSD-2021-1000774 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 v5.10.43 by commit 46403c1f80b0d3f937ff9c4f5edc63bb64bc5051, it was introduced in version v3.3 by commit 7ad65bf68d705b445ef10b77ab50dab22be185ee. For more details please see the references link.
Which versions are affected by GSD-2021-1000774?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000774?
No fix has been published for GSD-2021-1000774 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-2021-1000774 being exploited?
There is no known exploitation of GSD-2021-1000774 in the wild and no public exploit code.