Kernel-Rt Security Update — AlmaLinux 8 (ALSA-2026:42550)
This is a security release for AlmaLinux 8. The fix ships in the current release line (referenced builds: 18.0-553, 146.1). 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 ) 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: RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss() (CVE-2026-46117)
* kernel: Bluetooth: l2cap: Add missing chan lo…
Type:
security
Severity:
important
Release date:
2026-07-21
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: RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss() (CVE-2026-46117)
* kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp (CVE-2026-53071)
Bug Fix(es) and Enhancement(s):
* [almalinux-8] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected – at: vmd_pci_write+0x85/0xe0 – deadlock (JIRA:AlmaLinux-174916)
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-4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm | 04550288bd4a2169e4b4ad0d3cc3c7cc21c1a3efb44ecfbe9e1ae7fabf867f2c |
| x86_64 | kernel-rt-debug-modules-4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm | 1211b4ae0c7d3cad6b0d16a95e62654ad08917b04026a1714acb7f8ab3ab9ff5 |
| x86_64 | kernel-rt-modules-4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm | 28c5a6e6e40202a4a9c5c0cb2c1f801a1689843289e87f7df6e8c1b60732c865 |
| x86_64 | kernel-rt-devel-4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm | 48514d6e1e8cf391664fed1d6949ec785e2df9a4889f26c7f7cb536e77cacbaf |
| x86_64 | kernel-rt-debug-4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm | 4dd86870ad9db2461d2c59eb779e628fc1cd33ef42ecb88b7d3023662dadf8e7 |
| x86_64 | kernel-rt-modules-extra-4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm | 82c9596966b423825e6ff45f3c70fb9b32f4798ab0dcaacf2c2162751d2e8412 |
| x86_64 | kernel-rt-debug-core-4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm | 9153f70f0333f0fa7413460a8873227b7365f81e06b00ea3c70f23cfc31ec882 |
| x86_64 | kernel-rt-debug-modules-extra-4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm | 95080d8630ee260687371aab1ad806677e4d5a05a04aaaeaf4adf5bb3ed1cf52 |
| x86_64 | kernel-rt-debug-devel-4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm | e0eba729ef70cb17e1736bfcba6c7a0c8b6f8b5cc7872363aaf6cc4b699a6bf5 |
| x86_64 | kernel-rt-core-4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm | e9300dbff1a5c07fb4fd1afa5871456a7b9b023316df8f616a274d995db7e998 |
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
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