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CVE-2026-46323: net: gro: don't merge zcopy skbs

mediumCVSS 6.6CVE-2026-46323

CSIRTS triage

product: netOther
What
A vulnerability in the net module prevents proper merging of zcopy skbs.
Who is affected
Deployments using the net module are affected.
Urgency
Remediation is medium urgency due to the potential impact on network performance.
Action
Update to the latest version of the net module.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
medium — CVSS 6.6
Published
2026-06-09
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-46323

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-2026-46323coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

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