{"schema_version": "1.7.0", "id": "RLSA-2026:42550", "modified": "2026-07-22T06:05:25.698490Z", "published": "2026-07-22T06:00:34.832520Z", "upstream": ["CVE-2026-46117", "CVE-2026-53071"], "summary": "Important: kernel-rt security, bug fix, and enhancement update", "details": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss() (CVE-2026-46117)\n\n* kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp (CVE-2026-53071)\n\nBug Fix(es) and Enhancement(s):\n\n*  [rhel-8] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected - at: vmd_pci_write+0x85/0xe0 - deadlock (JIRA:Rocky Linux-174916)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:8", "name": "kernel-rt", "purl": "pkg:rpm/rocky-linux/kernel-rt?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:4.18.0-553.146.1.rt7.487.el8_10"}], "database_specific": {"yum_repository": "NFV"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:42550"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482576"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492458"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}