GSD-2022-1007694 KVM: x86/xen: Fix eventfd error handling in kvm_xen_eventfd_assign()
A flaw in KVM Xen eventfd handling could allow local attackers to cause a denial of service via improper error handling.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1007694?
GSD-2022-1007694 is a vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
KVM: x86/xen: Fix eventfd error handling in kvm_xen_eventfd_assign()
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 v6.0.10 by commit d76f46f47dfde220712d1420ee5dbc546c8fc674, it was introduced in version v5.19 by commit 2fd6df2f2b47d4301b1ee0fe9d627d1c061a5988. For more details please see the references link.
Which versions are affected by GSD-2022-1007694?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007694?
No fix has been published for GSD-2022-1007694 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1007694 being exploited?
There is no known exploitation of GSD-2022-1007694 in the wild and no public exploit code.