GSD-2022-1001443 KVM: x86: Avoid theoretical NULL pointer dereference in kvm_irq_delivery_to_apic_fast()
A theoretical NULL pointer dereference in the Linux Kernel KVM x86 module could allow a local attacker to cause a denial of service.
- 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-2022-1001443?
GSD-2022-1001443 is a vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
KVM: x86: Avoid theoretical NULL pointer dereference in kvm_irq_delivery_to_apic_fast()
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 v5.16.19 by commit 9e38128f8bd1d4f2244d8a393bc5dc204a99a541. For more details please see the references link.
Which versions are affected by GSD-2022-1001443?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001443?
No fix has been published for GSD-2022-1001443 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1001443 being exploited?
There is no known exploitation of GSD-2022-1001443 in the wild and no public exploit code.