Ubuntu: USN-4948-1 (CVE-2021-28951): Linux kernel (OEM) vulnerabilities
5
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
03/20/2021
05/14/2021
05/12/2021
03/22/2023
Description
An issue was discovered in fs/io_uring.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (deadlock) because exit may be waiting to park a SQPOLL thread, but concurrently that SQPOLL thread is waiting for a signal to start, aka CID-3ebba796fa25.
Solution(s)
- ubuntu-upgrade-linux-image-5-10-0-1026-oem
- ubuntu-upgrade-linux-image-oem-20-04b
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