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Kernel Security Update — AlmaLinux 9 (ALSA-2026:43307)

This is a security release for AlmaLinux 9. Update the product on every affected server to the patched release — there is no workaround, and unpatched servers remain exposed until updated.

High 5.5 CVSS
AlmaLinux 9

Fix Commands

EL8+ (AlmaLinux/CloudLinux/Rocky)

sudo dnf update

What this means under a SharedLicense license

Kernel flaws of this class (top severity in the notice's own data: CVSS 5.5, CWE-908) are local-attacker material — crashes or privilege-adjacent outcomes — so shared-hosting servers should treat this as routine-priority patching.

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18573fc8d2c17a653035d80365631f956078f2fc8b02e9d662932a64b9415845 aarch64 kernel-rt-64k-5.14.0-687.29.1.el9_8.aarch64.rpm 2abba0a08d3006343986760593b2cfd3e0c052efcb601580ef2041b55c29b032 aarch64 kernel-rt-debug-modules-extra-5.14.0-687.29.1.el9_8.aarch64.rpm 2d81b8433be7f54f8660d74b0f10a6fda317c798263ea1b062ae4aa15cee130d aarch64 kernel-tools-5.14.0-687.29.1.el9_8.aarch64.rpm 3c681819a5593259b6b999b810394ccec941ba8beedb0501ed487f496200b31e aarch64 kernel-64k-debug-devel-5.14.0-687.29.1.el9_8.aarch64.rpm 4096bb7514967ea75b7c1c4cd52fa46c4fc0d6f794d3b989bc36fd3bb90b5b3b aarch64 python3-perf-5.14.0-687.29.1.el9_8.aarch64.rpm 42847fb971cfad19c439bc28fc42d2e456212776b3be530c3a8a561f583adf4b aarch64 kernel-rt-64k-debug-core-5.14.0-687.29.1.el9_8.aarch64.rpm 44cf1f8f28d16604f16577c678d5d8e70f50224f2b78f2be480316a0dfd88728 aarch64 kernel-rt-modules-5.14.0-687.29.1.el9_8.aarch64.rpm 44e78e60e2218cedc649a49ab86863466d4be60dc035c798e30e953a7991d607 aarch64 kernel-rt-64k-modules-5.14.0-687.29.1.el9_8.aarch64.rpm 4a385f7d4d0de1c13bafdc54ed03f198f3eb65aae1809534486132bb764c7468 aarch64 kernel-core-5.14.0-687.29.1.el9_8.aarch64.rpm 4ad5c3db2ca281b2b7bcc968ba28abcf0a255231a89c95ff4a2dfc49a6e1dc32 aarch64 kernel-5.14.0-687.29.1.el9_8.aarch64.rpm 4ba8a590dd9032ad2bd33fe32de3f03121c61f34d5b3efb1a44fd7196b181578 aarch64 kernel-rt-64k-debug-modules-5.14.0-687.29.1.el9_8.aarch64.rpm 4c33f8fcbe93b37f5ede8795f57772fa144e84c8d7043f8be4d10b67a1b28df6 aarch64 kernel-debug-modules-extra-5.14.0-687.29.1.el9_8.aarch64.rpm 4d5479fbb5d33a58392d2396a0df0d50728a2670462305aed0c1daf72a79e346 aarch64 perf-5.14.0-687.29.1.el9_8.aarch64.rpm 569e57de1b583796203d36d0d3196d58a058f01d4dec8f0cd03ab022295a1dff aarch64 kernel-64k-debug-devel-matched-5.14.0-687.29.1.el9_8.aarch64.rpm 58cd9a35e8d649543abe635fa7f4a4906b93efe71c4184fb2658b058c5b33dd1 aarch64 kernel-64k-debug-modules-core-5.14.0-687.29.1.el9_8.aarch64.rpm 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Frequently Asked Questions

What does ALSA-2026:43307 fix?
2 kernel CVEs for AlmaLinux 9, including crypto: af_alg - zero initialize memory allocated via sock_kmalloc (CVE-2025-71113).
Is a reboot required?
Yes — kernel fixes only take effect after the server boots into the updated kernel.
How do I apply it?
Run dnf update (kernel packages) and schedule the reboot.

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