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CVE-2026-52985: netdevsim: zero initialize struct iphdr in dummy sk_buff

mediumCVSS 5.5CVE-2026-52985

CSIRTS triage

vendor: Linuxproduct: netdevsimOther
What
The struct iphdr in dummy sk_buff is not zero initialized.
Who is affected
Deployments using netdevsim.
Urgency
Remediation is important due to the medium severity.
Action
Apply the patch for CVE-2026-52985.

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
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-2026-52985

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-2026-52985coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

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