[ALSA-2026:6036] Moderate: kernel-rt security update
Type:
security
Severity:
moderate
Release date:
2026-03-30
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: Linux kernel: Use-After-Free vulnerability in ATM subsystem (CVE-2025-38180) * kernel: macvlan: fix error recovery in macvlan_common_newlink() (CVE-2026-23209) * kernel: net/sched: cls_u32: use skb_header_pointer_careful() (CVE-2026-23204) 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-modules-extra-4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm 0a0fe905d9b69cf1f7aebb1a9d08408ac090ed08a698be45075f5161def52f98
x86_64 kernel-rt-devel-4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm 1cceb47bd84dd9f7c7dac6d0d3ab1345fb26814d1dd718dae60057a28752047a
x86_64 kernel-rt-core-4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm 6ab162705e4531bf3d959e4dfd1f60d54c9bf3eaa20bd799ebba7976268fec39
x86_64 kernel-rt-debug-modules-4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm 792c59f0c7ba2e68f92f4690a12765e1350764e6a9b07f39249b75bbb7fb6259
x86_64 kernel-rt-debug-core-4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm c2d5fd692900b001ab6dc2e113ba9b1db3adbdb6dc112393b2cbbdc0bab9e8dd
x86_64 kernel-rt-debug-4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm c6606515f5961af2043466c1e9a30313df91b095acf1b4ddd6419c42b2c12a5d
x86_64 kernel-rt-modules-extra-4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm d088f69e0c624b24929655ccf11be30be63d758a47925ecacf84299f51a01dde
x86_64 kernel-rt-4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm e34bd601f62ffcf1600e6f97ef17225b2253ff5931f9acde6c2593c03889dde2
x86_64 kernel-rt-debug-devel-4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm e40e96c30e5265a172df90abd3a8cf4d4432095dd1b44f7996072479a84ab30c
x86_64 kernel-rt-modules-4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm efaa5f5d1e0721183af7dbba1e0be35ef05b798ceb696a0b76cf63758b3221d9
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.