GSD-2022-1003264 xen: unexport __init-annotated xen_xlate_map_ballooned_pages()
An unexported kernel function related to Xen ballooning was incorrectly exposed, potentially allowing privileged local attackers to exploit internal kernel structures.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1003264?
GSD-2022-1003264 is a vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
xen: unexport __init-annotated xen_xlate_map_ballooned_pages()
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 v5.15.47 by commit 40e6078fcf186b4f452abcbffcb004e28d750395, it was introduced in version v4.8 by commit 243848fc018cb98c2a70c39fe1f93eb266c79835. For more details please see the references link.
Which versions are affected by GSD-2022-1003264?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003264?
No fix has been published for GSD-2022-1003264 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1003264 being exploited?
There is no known exploitation of GSD-2022-1003264 in the wild and no public exploit code.