GSD-2022-1000756 xen/netfront: react properly to failing gnttab_end_foreign_access_ref()
Improper handling of failed foreign access references in the Xen netfront driver may lead to system instability or 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-2022-1000756?
GSD-2022-1000756 is a vulnerability in Kernel, published on 18 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
xen/netfront: react properly to failing gnttab_end_foreign_access_ref()
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 v5.15.28 by commit dea18aef2021022a568f4d385a1386f51a9df6ff. For more details please see the references link.
Which versions are affected by GSD-2022-1000756?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000756?
No fix has been published for GSD-2022-1000756 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1000756 being exploited?
There is no known exploitation of GSD-2022-1000756 in the wild and no public exploit code.