CBL-Mariner is an internal Linux distribution for Microsoft’s cloud infrastructure and edge products and services. CBL-Mariner is designed to provide a consistent platform for these devices and services and will enhance Microsoft’s ability to stay current on Linux updates. This initiative is part of Microsoft’s increasing investment in a wide range of Linux technologies, such as SONiC, Azure Sphere OS and Windows Subsystem for Linux (WSL).
2 new vulnerabilities detected. One due to conversion errors in file system allows to access the kernel address space(vulnerability (CVE-2021-33909).
Another vulnerability (CVE-2021-33910) is due to systemd which can be exploited to do a DoS attack and cause kernel panic.
Intel started supporting the PECI communication interface in the Linux kernel. PECI is the Platform Environment Control Interface and is for communication between Intel Xeon processors and BMCs / management controllers. Seems like an approach to make OpenBMC rich to support CPU package and DIMM temperature reading via Linux drivers. A move which AMD is still proprietary to provide the support.
With the DeviceTree addition for the Raspberry Pi 400. No kernel driver changes were needed since it’s basically very close to the Raspberry Pi 4 but the updated DTS configuration is needed for the 1.8GHz clock rate, a different WiFi chip, power off handling via GPIO, and no ACT LED on the 400 model.
Some cases you may have to disable the AHCI driver claiming the software device. You can use any one of the below options to blacklist the AHCI driver. This depends on the kernel version you use.
How to configure nic or netwok bonding in CentOS 7 & RHEL 7