Chapter 4. January 2024

4.1. Red Hat Insights for Red Hat Enterprise Linux

New Recommendations

During January, the team made four releases, introducing 14 brand new recommendations in Advisor, mostly focused on remediating risks in the kernel.

Kernel crash occurs when NULL pointer dereference occurs in the vmxnet3 NIC driver on VMware ESXi hosts, due to a known bug in the kernel
The root filesystem is mounted in read-only mode after reboot when there is a mount point name that ends with a space
Kernel panic occurs when the CIFS file systems are mounted with FQDN, due to a known kernel bug
Kernel panic occurs with the Transparent Huge Page (THP) enabled, due to a known kernel bug
The system with a separate /usr file system and systemd-219-78.el7_9.8 package installed cannot boot after the initramfs is regenerated
Memory leak occurs when the number of orphan session scopes is large, due to a bug in systemd
System hang occurs with lockups when using smartpqi driver, due to a known kernel bug
Logs cannot be collected when the symbolic link /dev/log is missing
NFS4 client can become unresponsive when the server side restarts, due to a bug in kernel
Satellite will become unresponsive after the noon, due to long-running and failing CertificateCleanupJob in candlepin
NFS4 server runs into infinite loop with NFS4ERR_DELAY reply, due to a regression bug in kernel
Boot failure occurs due to the absence of critical kernel modules
Samba cannot work with sssd as expected when winbind service is not running
The httpd service is unable to create a thread when the memory or nproc resource is not enough