CVE-2026-64602: iio: adc: spear: Initialize completion before requesting IRQ

mediumCVSS 5.5CVE-2026-64602

CSIRTS triage

product: Linux kernel (iio: adc: spear driver)Memory corruption

What: A race condition in the SPEAr ADC driver where interrupt handling occurs before completion initialization, causing potential use-after-free.
Who is affected: Linux systems using the SPEAr analog-to-digital converter driver.
Urgency: Medium; local attack surface only with CVSS 5.5, no public exploitation reported.
Action: Update to a patched Linux kernel version that initializes completion before requesting IRQ in the spear ADC driver.

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

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: medium — CVSS 5.5
Published: 2026-08-06
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64602

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-2026-646020.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-64602	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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