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CVE-2026-46304: nvmet: avoid recursive nvmet-wq flush in nvmet_ctrl_free

mediumCVSS 5.5CVE-2026-46304

CSIRTS triage

product: nvmetOther
What
This vulnerability involves avoiding recursive flushing of the nvmet-wq in the nvmet_ctrl_free function.
Who is affected
Deployments using the nvmet subsystem are affected.
Urgency
Remediation is medium urgency due to the medium severity rating.
Action
Monitor for updates regarding this issue.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
medium — CVSS 5.5
Published
2026-06-09
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-46304

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.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-46304coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

Recent advisories for nvmet

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.

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