CVE-2026-64351: net: usb: kalmia: bound RX frame length in kalmia_rx_fixup()

mediumCVSS 5.5CVE-2026-64351

CSIRTS triage

Other

What: This vulnerability bounds the RX frame length in the kalmia driver.
Who is affected: Deployments using the kalmia USB driver.
Urgency: Remediation is important to prevent potential buffer overflow issues.
Action: Apply the fix for CVE-2026-64351.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: medium — CVSS 5.5
Published: 2026-07-14
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64351

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-2026-643510.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-64351	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

unknownCVE-2026-64351: In the Linux kernel, the following vulnerability has been resolved: net: usb: kalmia: bound RX…nvd

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