CVE-2026-64421: media: nxp: imx8-isi: Fix use-after-free on remove

CSIRTS triage

What

There is a use-after-free vulnerability on remove in the imx8-isi driver.

Who is affected

Deployments using the imx8-isi media driver.

Urgency

Remediation is necessary to prevent potential crashes.

Action

Apply the relevant patches once available.

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

Details

Source

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

Severity

high — CVSS 7.1

Published

2026-07-14

Exploitation

Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64421

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-2026-644210.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all scored CVEs.

Referenced CVEs

Same CVEs, other sources

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

• unknownDSA-6405-1 linux - security updatedebian
• unknownCVE-2026-64421: In the Linux kernel, the following vulnerability has been resolved: media: nxp: imx8-isi: Fix …nvd

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