CVE-2026-64421

highCVSS 7.1covered by 3 sourcesfirst seen 2026-07-14

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. https://security-tracker.debian.org/tracker/DSA-6405-1

CSIRTS triage

Other

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.

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Exploitation outlook

Low exploitation risk0.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.

Advisory coverage (3)

unknownDSA-6405-1 linux - security updatedebian · 2026-07-31
unknownCVE-2026-64421: In the Linux kernel, the following vulnerability has been resolved: media: nxp: imx8-isi: Fix …nvd · 2026-07-25
highCVE-2026-64421: media: nxp: imx8-isi: Fix use-after-free on removemsrc · 2026-07-14

External references

NVD record for CVE-2026-64421

CVE.org record

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