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.
Fix-Befehle
EL8+ (AlmaLinux/CloudLinux/Rocky)
sudo dnf updateWas das unter einer SharedLicense-Lizenz bedeutet
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.
Referenzen
Sicherheitshinweise
Verwandte Warnhinweise
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