CVE-2025-38272: net: dsa: b53: do not enable EEE on bcm63xx

mediumCVSS 5.5CVE-2025-38272

CSIRTS triage

product: Linux Kernel (net: dsa: b53 driver)Misconfiguration

What: Energy Efficient Ethernet (EEE) incorrectly enabled on bcm63xx platforms in the b53 driver.
Who is affected: Systems using Broadcom BCM63xx devices with the b53 DSA driver in Linux.
Urgency: Medium urgency; CVSS 5.5 indicates moderate impact, likely causing power management or link stability issues.
Action: Update the Linux kernel to disable EEE on bcm63xx in the b53 driver.

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: 2026-08-06
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-38272

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-2025-382720.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2025-38272	coverage & exploitation status	NVD · CVE.org

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