GSD-2022-1000993 KVM: avoid NULL pointer dereference in kvm_dirty_ring_push
A NULL pointer dereference in the KVM dirty ring push function allows local attackers 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-2022-1000993?
GSD-2022-1000993 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: avoid NULL pointer dereference in kvm_dirty_ring_push
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 v5.17.3 by commit e8d7f0dad29e634e26d4614cfbd081514c16e042. For more details please see the references link.
Which versions are affected by GSD-2022-1000993?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000993?
No fix has been published for GSD-2022-1000993 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1000993 being exploited?
There is no known exploitation of GSD-2022-1000993 in the wild and no public exploit code.