Kernel-Rt Security Update — AlmaLinux 8 (ALSA-2026:49851)
This is a security release for AlmaLinux 8. The fix ships in the current release line (referenced builds: 18.0-553, 151.1). Update the product on every affected server to the patched release — there is no workaround, and unpatched servers remain exposed until updated.
Comandos de corrección
EL8+ (AlmaLinux/CloudLinux/Rocky)
sudo dnf updateLo que esto significa bajo una licencia de SharedLicense
Your SharedLicense license itself is not affected — this is a change in AlmaLinux 8 software, not in licensing. Update the product through its standard update channel. Licenses keep working through updates; nothing needs re-issuing or re-activating.
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: ipc: limit next_id allocation to the valid ID range (CVE-2026-52923)
Bug Fix(es) and Enhancement(s):
* AlmaLinux8.10 – KVM: s390: L…
Type:
security
Severity:
moderate
Release date:
2026-08-04
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: ipc: limit next_id allocation to the valid ID range (CVE-2026-52923)
Bug Fix(es) and Enhancement(s):
* AlmaLinux8.10 – KVM: s390: Limit adapter indicator access to mapped page (JIRA:AlmaLinux-183880)
* CIFS mounts do not work with the latest kernel (JIRA:AlmaLinux-213976)
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-4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm | 006e0489934ee25cf110e1529ba7bb7d6ee36691d9583060d2a6dcc4c0c88213 |
| x86_64 | kernel-rt-modules-extra-4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm | 0bf00111078755f542c040238dedcfdb123fa053bc1e3c35d26515f03b602821 |
| x86_64 | kernel-rt-debug-modules-4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm | 179fe34b67a914b4a979c5a20a4cde796cc040aeb801fbb58f90649d1d63e8ab |
| x86_64 | kernel-rt-debug-modules-extra-4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm | 188f271d237b2b2ba7862c7dfd2a934afde776cd3850d047f6df66f1f2d6d380 |
| x86_64 | kernel-rt-core-4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm | 385a58bad0ae0fe2f4d3dc7d21221cb4c8de95c9d103df54486e7befaaf7cb44 |
| x86_64 | kernel-rt-debug-4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm | 5484273ff1f5969244ec4a31b64ad9a2bf4f2e8cb563e8be0062e573ff7b163d |
| x86_64 | kernel-rt-4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm | 7c7fbfc26e12e91b7e7928c9e9cb1133d8c7193915a3fc669399fb63a7aebe49 |
| x86_64 | kernel-rt-devel-4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm | c44a77fed9c2e0ef7f1cf6e1a3eb7613075807980aaa6e153a64c7e7506d20de |
| x86_64 | kernel-rt-modules-4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm | e6a502d494671a4aeaf3f562b39bbf02b8bd1e5929dc9585224cbc9c9eaddd29 |
| x86_64 | kernel-rt-debug-devel-4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm | f3a1cf9cbf41a1cedc5a5e44f867df36de56cff56887e595450327cdad01b91d |
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.
Referencias
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