GSD-2021-1000721 net: caif: fix memory leak in caif_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-2021-1000721?
GSD-2021-1000721 is a denial of service vulnerability in Kernel, published on 24 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 caif_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 v4.9.272 by commit 9348c1f10932f13b299cbc8b1bd5f780751fae49, it was introduced in version v3.3 by commit 7c18d2205ea76eef9674e59e1ecae4f332a53e9e. For more details please see the references link.
Which versions are affected by GSD-2021-1000721?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000721?
No fix has been published for GSD-2021-1000721 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-2021-1000721 being exploited?
There is no known exploitation of GSD-2021-1000721 in the wild and no public exploit code.