CentOS Linux: CVE-2021-3543: Important: kernel security and bug fix update (Multiple Advisories)
7
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
06/01/2021
06/03/2021
06/02/2021
05/25/2023
Description
A flaw null pointer dereference in the Nitro Enclaves kernel driver was found in the way that Enclaves VMs forces closures on the enclave file descriptor. A local user of a host machine could use this flaw to crash the system or escalate their privileges on the system.
Solution(s)
- centos-upgrade-kernel
- centos-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