GSD-2021-1002537 i2c: virtio: disable timeout handling
A flaw in the Linux kernel's virtio I2C driver timeout handling could allow local attackers to cause a denial of service.
- 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-2021-1002537?
GSD-2021-1002537 is a denial of service vulnerability in Kernel, published on 19 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
i2c: virtio: disable timeout handling
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 v5.15.6 by commit cc432b0727ce404cc13e8f6b5ce29f412c3f9f1f, it was introduced in version v5.15 by commit 3cfc88380413d20f777dc6648a38f683962e52bf. For more details please see the references link.
Which versions are affected by GSD-2021-1002537?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002537?
No fix has been published for GSD-2021-1002537 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-2021-1002537 being exploited?
There is no known exploitation of GSD-2021-1002537 in the wild and no public exploit code.