CVE-2026-74309Patch

LOWCVSS 10.0 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

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.

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0.5/ 10 priority

Sources & remediation

Other references

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

Patch or workaround signal is available
1 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Patch

1100.0%

Referenced assets1 URL

By indicator

https://secalerts.co/vulnerability/CVE-2026-74309?utm_campaign=x

Full discourse1 post

SecAlerts@SecAlertsCo46d
Patch
🐧 CVE-2026-74309 | Linux kernel CVSS 10: faulty IRQ-to-ring mapping in vdpa/octeon_ep interrupt handler. Network-exploitable, no auth, no interaction needed. Patch now. #cybersecurity #ciso #cto #vulnerabilities #mssp https://secalerts.co/vulnerability/CVE-2026-74309?utm_campaign=x https://t.co/lS4l1TbGqz
Post summary
CVE‑2026‑74309 is a Linux kernel vulnerability with a CVSS score of 10 and a patch has been released; no proof‑of‑concept or active exploitation has been reported.
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