{"schema_version": "1.7.0", "id": "RLSA-2026:83159", "modified": "2026-10-16T12:15:46.745408Z", "published": "2026-10-16T12:02:32.421660Z", "upstream": ["CVE-2026-68377", "CVE-2026-72262", "CVE-2026-74583", "CVE-2026-74641", "CVE-2026-74705", "CVE-2026-89526", "CVE-2026-90036", "CVE-2026-93228", "CVE-2026-93262"], "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: Linux kernel: Denial of Service due to use-after-free in act_tunnel_key (CVE-2026-68377)\n\n* kernel: ASoC: SOF: ipc3-control: Fix heap overflow in bytes_ext put/get (CVE-2026-72262)\n\n* kernel: net/sched: cls_route: fix fastmap use-after-free on filter (CVE-2026-74583)\n\n* kernel: ALSA: usx2y: bound the hwdep mmap fault offset (CVE-2026-74641)\n\n* kernel: udp: fix potential use-after-free in tunnel segmentation (CVE-2026-74705)\n\n* kernel: svcrdma: Validate Read chunk positions before reconstruction (CVE-2026-89526)\n\n* kernel: NFSD: Prevent client use-after-free during blocked-lock reaping (CVE-2026-90036)\n\n* kernel: svcrdma: Reject Write/Reply chunks with segcount 0 (CVE-2026-93228)\n\n* kernel: md/raid5-ppl: fix use-after-free in ppl_do_flush() (CVE-2026-93262)\n\nBug Fix(es) and Enhancement(s):\n\n* powerpc/pseries: pci - logic bug in SR-IOV enable (JIRA:Rocky Linux-240146)\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: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": "0:4.18.0-553.174.1.rt7.515.el8_10"}], "database_specific": {"yum_repository": "NFV"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:83159"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513277"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516575"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2521054"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2521436"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2521498"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532309"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2535158"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2540230"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2540323"}, {"type": "ADVISORY", "url": "https://access.redhat.com/errata/RHSA-2026:83159"}], "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-2026:83159"}}