CVE-2026-53025: greybus: raw: fix use-after-free on cdev close

criticalCVSS 9.8CVE-2026-53025

CSIRTS triage

vendor: null product: nullOtheraffected: null

What: The vulnerability is a use-after-free issue occurring on cdev close.
Who is affected: Deployments using the greybus raw subsystem.
Urgency: Remediation is critical due to the severity rating of 9.8.
Action: Apply the patch for CVE-2026-53025.

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: critical — CVSS 9.8
Published: 2026-06-09
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-53025

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-2026-530250.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-53025	coverage & exploitation status	NVD · CVE.org

Recent advisories for greybus

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

highCVE-2026-53024: greybus: raw: fix use-after-free if write is called after disconnectmsrc · 2026-06-09