ALSA-2026:49213
ALSA-2026:49213 · Important: kernel-rt security 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: rtnetlink: add missing netlink_ns_capable() check for peer netns (CVE-2026-31692) * kernel: netfilter: ctnetlink: ensure safe access to master conntrack (CVE-2026-43116) * kernel: fanotify: fix false positive on permission events (CVE-2026-46150) * kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle () * kernel: net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_handle (CVE-2026-64530) 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.
Fix available
- Published
- Updated
Stack: system
Affected products and versions
kernel-rt AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.150.1.rt7.491.el8_10
Update to 4.18.0-553.150.1.rt7.491.el8_10
kernel-rt-core AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.150.1.rt7.491.el8_10
Update to 4.18.0-553.150.1.rt7.491.el8_10
kernel-rt-debug AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.150.1.rt7.491.el8_10
Update to 4.18.0-553.150.1.rt7.491.el8_10
kernel-rt-debug-core AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.150.1.rt7.491.el8_10
Update to 4.18.0-553.150.1.rt7.491.el8_10
kernel-rt-debug-devel AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.150.1.rt7.491.el8_10
Update to 4.18.0-553.150.1.rt7.491.el8_10
kernel-rt-debug-modules AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.150.1.rt7.491.el8_10
Update to 4.18.0-553.150.1.rt7.491.el8_10
kernel-rt-debug-modules-extra AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.150.1.rt7.491.el8_10
Update to 4.18.0-553.150.1.rt7.491.el8_10
kernel-rt-devel AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.150.1.rt7.491.el8_10
Update to 4.18.0-553.150.1.rt7.491.el8_10
kernel-rt-modules AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.150.1.rt7.491.el8_10
Update to 4.18.0-553.150.1.rt7.491.el8_10
kernel-rt-modules-extra AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.150.1.rt7.491.el8_10
Update to 4.18.0-553.150.1.rt7.491.el8_10
Original sources
- https://access.redhat.com/errata/RHSA-2026:49213
- https://access.redhat.com/security/cve/CVE-2026-31692
- https://access.redhat.com/security/cve/CVE-2026-43116
- https://access.redhat.com/security/cve/CVE-2026-46150
- https://access.redhat.com/security/cve/CVE-2026-64530
- https://bugzilla.redhat.com/2464093
- https://bugzilla.redhat.com/2467005
- https://bugzilla.redhat.com/2482612
- https://bugzilla.redhat.com/2504052
- https://bugzilla.redhat.com/2507345
- https://errata.almalinux.org/8/ALSA-2026-49213.html
- https://osv.dev/vulnerability/ALSA-2026:49213