{"schema_version": "1.7.0", "id": "RLSA-2026:59737", "modified": "2026-08-27T12:13:12.199945Z", "published": "2026-08-27T12:02:32.959504Z", "upstream": ["CVE-2026-52924", "CVE-2026-63886", "CVE-2026-63913", "CVE-2026-64189", "CVE-2026-64191", "CVE-2026-64276", "CVE-2026-64277", "CVE-2026-64320"], "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: sctp: purge outqueue on stale COOKIE-ECHO handling (CVE-2026-52924)\n\n* kernel: scsi: target: iscsi: Validate CHAP_R length before base64 decode (CVE-2026-63886)\n\n* kernel: netfilter: conntrack: tcp: do not force CLOSE on invalid-seq RST without direction check (CVE-2026-63913)\n\n* kernel: i2c: stub: Reject I2C block transfers with invalid length (CVE-2026-64191)\n\n* kernel: netfilter: ipset: fix race between dump and ip_set_list resize (CVE-2026-64189)\n\n* kernel: nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page (CVE-2026-64320)\n\n* kernel: Input: synaptics-rmi4 - bound the F3A keymap to the GPIO count (CVE-2026-64277)\n\n* kernel: Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count (CVE-2026-64276)\n\nBug Fix(es) and Enhancement(s):\n\n* [Rocky Linux-RT] usb_hub_wq items may run on isolated+nohz_full cores (JIRA:Rocky Linux-178088)\n\n* SELinux TCP/MPTCP connect check bypass via TCP Fast Open [rhel-8.10.z] (JIRA:Rocky Linux-222800)\n\n* ss core dumped when there is an SCTP session [rhel-8.10.z] (JIRA:Rocky Linux-212400)\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:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/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": "0:4.18.0-553.158.1.rt7.499.el8_10"}], "database_specific": {"yum_repository": "NFV"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:59737"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492095"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502329"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502438"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502872"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502889"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507061"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507290"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507301"}, {"type": "ADVISORY", "url": "https://access.redhat.com/errata/RHSA-2026:59737"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}], "database_specific": {"license": "CC-BY-4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "source_advisory": "RHSA-2026:59737"}}