[ALSA-2026:26428] Important: kernel-rt security update
Type:
security
Severity:
important
Release date:
2026-06-17
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: mptcp: fix slab-use-after-free in __inet_lookup_established (CVE-2026-31669) * kernel: xen/privcmd: fix double free via VMA splitting (CVE-2026-31787) * kernel: Buffer overflow in drivers/xen/sys-hypervisor.c (CVE-2026-31786) * kernel: wifi: brcmfmac: validate bsscfg indices in IF events (CVE-2026-43110) * kernel: netfilter: flowtable: strictly check for maximum number of actions (CVE-2026-43329) * kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056) * kernel: wifi: mac80211: drop stray 'static' from fast-RX rx_result (CVE-2026-46152) * kernel: wifi: mac80211: remove station if connection prep fails (CVE-2026-46125) 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.
Updated packages listed below:
Architecture Package Checksum
x86_64 kernel-rt-debug-modules-4.18.0-553.134.1.rt7.475.el8_10.x86_64.rpm 10e8aa7d20d32af57ee748301d869c70a62aa91f29ceb95c74baa4637ad2e6d4
x86_64 kernel-rt-4.18.0-553.134.1.rt7.475.el8_10.x86_64.rpm 2bbb30d56d09a2db14f9633dab428730d3fb7db5ec90b070514cc73946436174
x86_64 kernel-rt-core-4.18.0-553.134.1.rt7.475.el8_10.x86_64.rpm 6655373ebf25f945be735338b906f8213608dcaa68e2253738bf1a18fb11eefd
x86_64 kernel-rt-modules-extra-4.18.0-553.134.1.rt7.475.el8_10.x86_64.rpm 6b9d8f0a447710acff78f40459c81a119cc6f9945613140bf25485a71e20a32b
x86_64 kernel-rt-debug-devel-4.18.0-553.134.1.rt7.475.el8_10.x86_64.rpm 94bcee13449610d54deef6e5c4ae37af7d4f99307ec48eaf362c61f228268c0e
x86_64 kernel-rt-debug-modules-extra-4.18.0-553.134.1.rt7.475.el8_10.x86_64.rpm 9731ba8473d7a307cebd1d34f772be97f57f3d472e6e6c073726747abcfb453c
x86_64 kernel-rt-modules-4.18.0-553.134.1.rt7.475.el8_10.x86_64.rpm 9e24b5646a6c38aa6646f964bbd8007de760ee714fca4c0a334d606b02813205
x86_64 kernel-rt-debug-4.18.0-553.134.1.rt7.475.el8_10.x86_64.rpm db70544e46dc9fa0ac12d00b29f684c2dca83f151f4e087958a09377b4913da6
x86_64 kernel-rt-devel-4.18.0-553.134.1.rt7.475.el8_10.x86_64.rpm f128228df5b38caf902f37f86b9b90f84531b996ef687168298897f5cc97379b
x86_64 kernel-rt-debug-core-4.18.0-553.134.1.rt7.475.el8_10.x86_64.rpm f147e884dc845cf3c910865ff82008042b4145798a41180be9d78bb65f2428e1
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.