RLSA-2026:83159
RLSA-2026:83159 · Important: kernel-rt security, bug fix, and enhancement update
This page contains facts from public vulnerability sources. Check the original advisory before updating.
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: Linux kernel: Denial of Service due to use-after-free in act_tunnel_key (CVE-2026-68377) * kernel: ASoC: SOF: ipc3-control: Fix heap overflow in bytes_ext put/get (CVE-2026-72262) * kernel: net/sched: cls_route: fix fastmap use-after-free on filter (CVE-2026-74583) * kernel: ALSA: usx2y: bound the hwdep mmap fault offset (CVE-2026-74641) * kernel: udp: fix potential use-after-free in tunnel segmentation (CVE-2026-74705) * kernel: svcrdma: Validate Read chunk positions before reconstruction (CVE-2026-89526) * kernel: NFSD: Prevent client use-after-free during blocked-lock reaping (CVE-2026-90036) * kernel: svcrdma: Reject Write/Reply chunks with segcount 0 (CVE-2026-93228) * kernel: md/raid5-ppl: fix use-after-free in ppl_do_flush() (CVE-2026-93262) Bug Fix(es) and Enhancement(s): * powerpc/pseries: pci - logic bug in SR-IOV enable (JIRA:Rocky Linux-240146) For 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.
CVSS 8.8 · High · Fix available
- Published
- Updated
Stack: system
Affected products and versions
kernel-rt Rocky Linux:8
- Affected ranges
- ECOSYSTEM: < 0:4.18.0-553.174.1.rt7.515.el8_10
Update to 0:4.18.0-553.174.1.rt7.515.el8_10
Original sources
- https://errata.rockylinux.org/RLSA-2026:83159
- https://bugzilla.redhat.com/show_bug.cgi?id=2513277
- https://bugzilla.redhat.com/show_bug.cgi?id=2516575
- https://bugzilla.redhat.com/show_bug.cgi?id=2521054
- https://bugzilla.redhat.com/show_bug.cgi?id=2521436
- https://bugzilla.redhat.com/show_bug.cgi?id=2521498
- https://bugzilla.redhat.com/show_bug.cgi?id=2532309
- https://bugzilla.redhat.com/show_bug.cgi?id=2535158
- https://bugzilla.redhat.com/show_bug.cgi?id=2540230
- https://bugzilla.redhat.com/show_bug.cgi?id=2540323
- https://access.redhat.com/errata/RHSA-2026:83159
- https://osv.dev/vulnerability/RLSA-2026:83159