Two of the three May kernel CVEs still don’t have Rocky patches. Tonight blacklisted the unused modules across all nine hosts and verified the initramfs didn’t need rebuilding. Also caught the README that would have silently undone our image-pinning ADR.
Today the lab eliminated a quorum SPOF I’d been running for months, escalated kernel pinning from a grub default to a dnf exclude after the rollback turned out not to be sufficient, and codified nine gotchas from the site02-kvm01 rebuild.
Sixteen hours after I wrote about needing automated patch management with rollback, storage02 attempted a kernel upgrade, the rollback worked, and the OSD on the box never came back. The cluster is at 50% degradation.
Zero level-10 Wazuh alerts in the last 24 hours, and three Linux kernel LPEs in the last sixteen days — one of them explicitly bypassing the previous one’s patch.