Red Hat: CVE-2021-20239: CVE-2021-20239 kernel: setsockopt System Call Untrusted Pointer Dereference Information Disclosure (Multiple Advisories)
2
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
05/28/2021
11/11/2021
11/10/2021
03/13/2024
Description
A flaw was found in the Linux kernel in versions before 5.4.92 in the BPF protocol. This flaw allows an attacker with a local account to leak information about kernel internal addresses. The highest threat from this vulnerability is to confidentiality.
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