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Kernel Security Update — AlmaLinux 10 (ALSA-2026:93413)

ALSA-2026:93413 updates the AlmaLinux 10 kernel, fixing CVE-2026-22977 — denial of service in network socket error handling — and CVE-2026-46174 (x86/CPU/AMD improper isolation prevention). Aggregate CVSS 5.5. Update and reboot: dnf update kernel, then restart into the new build.

High 5.5 CVSS
AlmaLinux 10

Что это значит по лицензии SharedLicense

The socket error-handling DoS is remotely triggerable, and the AMD isolation flaw (CWE-class improper isolation) concerns CPU security boundaries — both are host-level exposures on multi-tenant servers.

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Часто задаваемые вопросы

What is ALSA-2026:93413?
It is AlmaLinux's kernel erratum for AlmaLinux 10, fixing CVE-2026-22977 (denial of service in network socket error handling) and CVE-2026-46174 (x86/CPU/AMD: prevent improper isolation bypass), aggregate CVSS 5.5.
Who is affected?
All AlmaLinux 10 servers — the socket DoS is network-reachable and the AMD isolation fix concerns CPU security boundaries relevant on AMD hardware.
How do I apply the fix?
Run dnf update kernel kernel-modules kernel-modules-extra and reboot; verify with uname -r reporting the updated build.
Why does an isolation bypass matter?
Improper CPU isolation let flaws cross security boundaries on AMD processors — patching the kernel closes the software path; check AMD microcode guidance for the hardware side.

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