CVE-2026-64429: gpio: eic-sprd: use raw_spinlock_t in the irq startup path

CSIRTS triage

What

This vulnerability involves using raw_spinlock_t in the IRQ startup path for the eic-sprd GPIO driver.

Who is affected

Deployments using the eic-sprd GPIO driver.

Urgency

Remediation is necessary to ensure proper interrupt handling.

Action

Apply the fix for CVE-2026-64429.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

Microsoft Security Response Center (INTL · vendor-psirt · site)

Severity

medium — CVSS 5.5

Published

2026-07-14

Exploitation

Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64429

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Low exploitation riskCVE-2026-644290.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• unknownCVE-2026-64429: In the Linux kernel, the following vulnerability has been resolved: gpio: eic-sprd: use raw_sp…nvd

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