Kernel-Rt Security Update — AlmaLinux 8 (ALSA-2026:49213)
This is a security release for AlmaLinux 8. The fix ships in the current release line (referenced builds: 18.0-553, 150.1). Update the product on every affected server to the patched release — there is no workaround, and unpatched servers remain exposed until updated.
Команды исправления
EL8+ (AlmaLinux/CloudLinux/Rocky)
sudo dnf updateЧто это значит по лицензии SharedLicense
Kernel flaws of this class (top severity in the notice's own data: CVSS 5.5) are local-attacker material — crashes or privilege-adjacent outcomes — so shared-hosting servers should treat this as routine-priority patching.
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 …
Type:
security
Severity:
important
Release date:
2026-08-02
Description:
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.
References:
Updated packages listed below:
| Architecture | Package | Checksum |
| x86_64 | kernel-rt-debug-core-4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm | 4337c4d2ea9e07e1c02965c15ff6cf429dc7f0b4552075027dacc65951975418 |
| x86_64 | kernel-rt-core-4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm | 4ccd63bef56db655afc10a243bc5ae78d37777fe31496faeddadb7dabf156fbb |
| x86_64 | kernel-rt-debug-devel-4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm | 5eb39f93047e46bd5e8304f5f1d7583138475faa60d8802f09b083ea73a92e85 |
| x86_64 | kernel-rt-debug-4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm | 9e9c94ebccd8a6007e607f1d1ae3506e9d6ec912a67d5d9e136ebe3323a41718 |
| x86_64 | kernel-rt-debug-modules-extra-4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm | b0445a703a0ee688edac1fc6832b0427276b482dc2a64252d18ac3e790871028 |
| x86_64 | kernel-rt-modules-extra-4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm | bd3aeddba490013026dfbd87a9441903f7507d81303bc8264d1b72690a30af4c |
| x86_64 | kernel-rt-devel-4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm | ce52c2a8ecbb29c1a0eb3152cc99ea5adcbb33f21bc4529865b3d7648ee5f5fc |
| x86_64 | kernel-rt-4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm | d53c31bad7718fdb5a2a46e6cf8339687429d993e659b1257fbbbb4174f7b405 |
| x86_64 | kernel-rt-debug-modules-4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm | f3b1c0f03b647819c5d038ecb09a84acc09e0c656b309cf822a22eed719b8e64 |
| x86_64 | kernel-rt-modules-4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm | fa486b96188223bbcc2a7757993e178a27159763f75b8f1d51bb8ff78eb2c005 |
Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.
Часто задаваемые вопросы
What does ALSA-2026:49213 fix?
Is a reboot required?
How do I apply it?
Проверьте систему на уязвимости
Выберите продукт и операционную систему, чтобы увидеть точные команды исправления.
Проверьте свою систему