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CVE Watch19 oct 2026

CVE-2026-98712

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic: Take a refcount on IRQs referenced by last_lr_irq Re

CVSS

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Sin CVSS

EPSS

0.2%

p4

KEV

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Exploit Today

1

0-100

Publicado: 18 oct 2026 · Última mod.: 19 oct 2026

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic: Take a refcount on IRQs referenced by last_lr_irq Referencing the last interrupt inserted in an LR is rather fragile, as this interrupt can vanish if a concurrently unmapped LPI. Solve this by bumping up the refcount on the interrupt when populating last_lr_irq, and drop it at vgic_prune_ap_list() time, when LPIs are being reclaimed.

Referencias oficiales
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