Summary
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.
Fixed packages 10
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | kernel-rt | 4.18.0-553.151.1.rt7.492.el8_10 |
| AlmaLinux · 8 | kernel-rt-core | 4.18.0-553.151.1.rt7.492.el8_10 |
| AlmaLinux · 8 | kernel-rt-debug | 4.18.0-553.151.1.rt7.492.el8_10 |
| AlmaLinux · 8 | kernel-rt-debug-core | 4.18.0-553.151.1.rt7.492.el8_10 |
| AlmaLinux · 8 | kernel-rt-debug-devel | 4.18.0-553.151.1.rt7.492.el8_10 |
| AlmaLinux · 8 | kernel-rt-debug-modules | 4.18.0-553.151.1.rt7.492.el8_10 |
| AlmaLinux · 8 | kernel-rt-debug-modules-extra | 4.18.0-553.151.1.rt7.492.el8_10 |
| AlmaLinux · 8 | kernel-rt-devel | 4.18.0-553.151.1.rt7.492.el8_10 |
| AlmaLinux · 8 | kernel-rt-modules | 4.18.0-553.151.1.rt7.492.el8_10 |
| AlmaLinux · 8 | kernel-rt-modules-extra | 4.18.0-553.151.1.rt7.492.el8_10 |
Vulnerabilities 1
-
High 7.8CVE-2026-52923 Public exploit
ipc: limit next_id allocation to the valid ID range
In the Linux kernel, the following vulnerability has been resolved: ipc: limit next_id allocation to the valid ID range The checkpoint/restore sysctl path can request the next SysV IPC id through ids->next_id. ipc_idr_alloc() currently forwards that request t…