GSD-2021-1002711 xen/netback: don't queue unlimited number of packages
An attacker can cause a denial of service by queuing an unlimited number of network packages in the Xen netback driver.
- 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-2021-1002711?
GSD-2021-1002711 is a denial of service vulnerability in Kernel, published on 27 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
xen/netback: don't queue unlimited number of packages
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 v5.10.88 by commit 88f20cccbeec9a5e83621df5cc2453b5081454dc, it was introduced in version v3.18 by commit f48da8b14d04ca87ffcffe68829afd45f926ec6a. For more details please see the references link.
Which versions are affected by GSD-2021-1002711?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002711?
No fix has been published for GSD-2021-1002711 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-2021-1002711 being exploited?
There is no known exploitation of GSD-2021-1002711 in the wild and no public exploit code.