{"id":"RLSA-2026:1661","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-\u003enum_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.","modified":"2026-02-11T09:30:10.300748Z","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"],"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"}],"affected":[{"package":{"name":"kernel-rt","ecosystem":"Rocky Linux:8","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"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:1661.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}