{"schema_version": "1.7.0", "id": "RLSA-2026:1661", "modified": "2026-02-11T09:11:30.955195Z", "published": "2026-02-11T09:10:42.270903Z", "upstream": ["CVE-2022-50865", "CVE-2024-26766", "CVE-2025-38022", "CVE-2025-38024", "CVE-2025-38415", "CVE-2025-38459", "CVE-2025-39760", "CVE-2025-40258", "CVE-2025-40271", "CVE-2025-40322"], "summary": "Moderate: 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: IB/hfi1: Fix sdma.h tx->num_descs off-by-one error (CVE-2024-26766)\n\n* kernel: RDMA/core: Fix \"KASAN: slab-use-after-free Read in ib_register_device\" problem (CVE-2025-38022)\n\n* kernel: Linux kernel: RDMA/rxe use-after-free vulnerability leading to potential arbitrary code execution (CVE-2025-38024)\n\n* kernel: Linux kernel: Memory corruption in Squashfs due to incorrect block size calculation (CVE-2025-38415)\n\n* kernel: Linux kernel: Denial of Service in ATM CLIP module via infinite recursion (CVE-2025-38459)\n\n* kernel: Linux kernel: Denial of Service via out-of-bounds read in USB configuration parsing (CVE-2025-39760)\n\n* kernel: mptcp: fix race condition in mptcp_schedule_work() (CVE-2025-40258)\n\n* kernel: Linux kernel: Use-after-free in proc_readdir_de() can lead to privilege escalation or denial of service. (CVE-2025-40271)\n\n* kernel: Linux kernel: Information disclosure and denial of service via out-of-bounds read in font glyph handling (CVE-2025-40322)\n\n* kernel: tcp: fix a signed-integer-overflow bug in tcp_add_backlog() (CVE-2022-50865)\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": "0:4.18.0-553.100.1.rt7.441.el8_10"}], "database_specific": {"yum_repository": "NFV"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:1661"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2273187"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373326"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373354"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2383404"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2383487"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2394601"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2418876"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2419837"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2419902"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2426226"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}