{"id":"RLSA-2026:83159","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.","modified":"2026-10-16T12:45:02.626499904Z","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"],"database_specific":{"source_advisory":"RHSA-2026:83159","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/"},"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"}],"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":"0:4.18.0-553.174.1.rt7.515.el8_10"}],"database_specific":{"yum_repository":"NFV"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:83159.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}