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Kernel Security Update — AlmaLinux 9 (ALSA-2026:45192)

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
AlmaLinux 9

सुधार कमांड

EL8+ (AlmaLinux/CloudLinux/Rocky)

sudo dnf update

SharedLicense लाइसेंस के तहत इसका अर्थ

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

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: KVM: x86: Don’t (re)check L1 intercepts when completing userspace I/O (CVE-2025-40026)
* kernel: dm log: fix out-of-bounds write due to region_count overflow (CVE-2026-53059)
* kernel: drm/xe…

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: KVM: x86: Don’t (re)check L1 intercepts when completing userspace I/O (CVE-2025-40026)
* kernel: dm log: fix out-of-bounds write due to region_count overflow (CVE-2026-53059)
* kernel: drm/xe…

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: KVM: x86: Don’t (re)check L1 intercepts when completing userspace I/O (CVE-2025-40026)
* kernel: dm log: fix out-of-bounds write due to region_count overflow (CVE-2026-53059)
* kernel: drm/xe…

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: KVM: x86: Don’t (re)check L1 intercepts when completing userspace I/O (CVE-2025-40026)
* kernel: dm log: fix out-of-bounds write due to region_count overflow (CVE-2026-53059)
* kernel: drm/xe…

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: KVM: x86: Don’t (re)check L1 intercepts when completing userspace I/O (CVE-2025-40026)
* kernel: dm log: fix out-of-bounds write due to region_count overflow (CVE-2026-53059)
* kernel: drm/xe…

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: KVM: x86: Don’t (re)check L1 intercepts when completing userspace I/O (CVE-2025-40026)
* kernel: dm log: fix out-of-bounds write due to region_count overflow (CVE-2026-53059)
* kernel: drm/xe…

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: KVM: x86: Don’t (re)check L1 intercepts when completing userspace I/O (CVE-2025-40026)
* kernel: dm log: fix out-of-bounds write due to region_count overflow (CVE-2026-53059)
* kernel: drm/xe…

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: KVM: x86: Don’t (re)check L1 intercepts when completing userspace I/O (CVE-2025-40026)
* kernel: dm log: fix out-of-bounds write due to region_count overflow (CVE-2026-53059)
* kernel: drm/xe…

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: KVM: x86: Don’t (re)check L1 intercepts when completing userspace I/O (CVE-2025-40026)
* kernel: dm log: fix out-of-bounds write due to region_count overflow (CVE-2026-53059)
* kernel: drm/xe…

अक्सर पूछे जाने वाले प्रश्न

What does ALSA-2026:45192 fix?
2 kernel CVEs for AlmaLinux 9, including dm log: fix out-of-bounds write due to region_count overflow (CVE-2026-53059).
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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