{"schema_version": "1.7.0", "id": "RLSA-2026:1148", "modified": "2026-02-03T17:25:17.746094Z", "published": "2026-02-03T17:20:09.195545Z", "upstream": ["CVE-2023-53673", "CVE-2025-40154", "CVE-2025-40248", "CVE-2025-40277"], "summary": "Important: kernel-rt security 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: Bluetooth: hci_event: call disconnect callback before deleting conn (CVE-2023-53673)\n\n* kernel: ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping (CVE-2025-40154)\n\n* kernel: Linux kernel: vsock vulnerability may lead to memory corruption (CVE-2025-40248)\n\n* kernel: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE (CVE-2025-40277)\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:L/AC:L/PR:L/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": "0:4.18.0-553.97.1.rt7.438.el8_10"}], "database_specific": {"yum_repository": "NFV"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:1148"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2402193"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2414494"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2418872"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2419954"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}