[ALSA-2026:27812] Important: kernel-rt security update
Type:
security
Severity:
important
Release date:
2026-06-23
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: selinux: fix overlayfs mmap() and mprotect() access checks (CVE-2026-46054) 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-devel-4.18.0-553.137.1.rt7.478.el8_10.x86_64.rpm 224f9056dcf94f9c2afe77a5e57ff6bbe85c8d90776e0f2c9f0f49d08d959e48
x86_64 kernel-rt-4.18.0-553.137.1.rt7.478.el8_10.x86_64.rpm 7c17cb5e222063a8fd6cbe2de068efa2dfa933ec7b75fd9140e1c7122d74e3b2
x86_64 kernel-rt-devel-4.18.0-553.137.1.rt7.478.el8_10.x86_64.rpm 8441f3a8ae5127322ccb636cdc41b1a076b27aaa8e3e8b3af25951ea847408f1
x86_64 kernel-rt-modules-extra-4.18.0-553.137.1.rt7.478.el8_10.x86_64.rpm 97c39b027ccbc828a2124295594363ce829e78aa3d4409bd8d671dd97c2e7a5c
x86_64 kernel-rt-core-4.18.0-553.137.1.rt7.478.el8_10.x86_64.rpm 9e4a1cf0d2b8bca4587eb97555c65d9344a65c2015ec6af2a8f318ec11bf989f
x86_64 kernel-rt-modules-4.18.0-553.137.1.rt7.478.el8_10.x86_64.rpm dec6aaecb6da5e190ccb257585c3ca6d5d420100cd0593a6876c3ce5fec93a21
x86_64 kernel-rt-debug-modules-4.18.0-553.137.1.rt7.478.el8_10.x86_64.rpm defe8974036f318421cdb7c8b41ed97f4329315beed1ccf7c4ba50602729e3c0
x86_64 kernel-rt-debug-4.18.0-553.137.1.rt7.478.el8_10.x86_64.rpm e72f37b60f9156966e0157fe8488b0ce6735b0ccae3b0eaa26e74765dbc5abbc
x86_64 kernel-rt-debug-modules-extra-4.18.0-553.137.1.rt7.478.el8_10.x86_64.rpm f4732372a42ae43f3eda0c73e76a489b8c338a2210cdd87004e4157abb738bce
x86_64 kernel-rt-debug-core-4.18.0-553.137.1.rt7.478.el8_10.x86_64.rpm ff5f90937ba846fc66af40e1094fb2fd0ce61443b6003c8272cc1c901f9157e4
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.