GSD-2021-1000456 Drivers: hv: vmbus: Increase wait time for VMbus unload
Insufficient wait time during VMbus unload in the Linux Kernel may lead to a denial of service condition.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1000456?
GSD-2021-1000456 is a denial of service vulnerability in Kernel, published on 31 May 2021.
Official description
Drivers: hv: vmbus: Increase wait time for VMbus unload
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 v4.19.191 by commit feb4750ef9b8cb26c8ae5933479cad9f16451f6a, it was introduced in version v4.19.147 by commit 1dcf055a46ba41c971b0d4f7a19c584db4d01bac. For more details please see the references link.
Which versions are affected by GSD-2021-1000456?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000456?
No fix has been published for GSD-2021-1000456 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-2021-1000456 being exploited?
There is no known exploitation of GSD-2021-1000456 in the wild and no public exploit code.