Red Hat: CVE-2022-1263: NULL pointer dereference in kvm_dirty_ring_push in virt/kvm/dirty_ring.c (Multiple Advisories)
4
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
08/31/2022
05/08/2023
05/08/2023
03/13/2024
Description
A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service.
Solution(s)
- redhat-upgrade-kernel
- redhat-upgrade-kernel-rt
Advanced vulnerability management analytics and reporting.
Key Features
- Lightweight Endpoint Agent
- Live Dashboards
- Real Risk Prioritization
- IT-Integrated Remediation Projects
- Cloud, Virtual, and Container Assessment
- Integrated Threat Feeds
- Easy-to-Use RESTful API
- Automation-Assisted Patching
- Automated Containment
With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.
– Scott Cheney, Manager of Information Security, Sierra View Medical Center