AUGUST 15, 2026
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Case File

CVE-2026-74309

UNKNOWN · CVSS N/A

Source: NVD + CISA KEV + EPSS · Published 2026-08-15 · Last synced 2026-08-15

CyberRota Analysis

AI-Generated

A vulnerability exists in the Linux kernel's vdpa/octeon_ep component, where the interrupt handler incorrectly assumes a contiguous IRQ mapping, potentially leading to improper ring indexing. This flaw could disrupt the handling of interrupts, affecting system stability and performance. Organizations using affected Linux kernel versions, particularly those relying on VDPA for virtualized environments, should prioritize applying the fix to ensure reliable operation.

CVE
CVE-2026-74309
Severity
UNKNOWN
CVSS
N/A
EPSS
N/A
Linux

Original NVD Description

In the Linux kernel, the following vulnerability has been resolved: vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler Look up the IRQ index in oct_hw->irqs instead of assuming irq - irqs[0]. This supports non-contiguous IRQ numbers and avoids incorrect ring indexing when irqs[0] is not the base.