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  4. CVE 2025 38272 net dsa b53 do not enable eee on bcm63xx
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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2025-38272

net: dsa: b53: do not enable EEE on bcm63xxCVE-2025-38272

Answer in brief

CVE-2025-38272 records a Unknown severity vulnerability in net: dsa: b53: do not enable EEE on bcm63xx. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jul 10, 2025Updated Oct 21, 2026Source checked Oct 21, 2026First seen by HOL Oct 21, 2026Material review Oct 21, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric4.15Not reported
Linux/Linuxgeneric>=22256b0afb12333571ad11799fa68fd27e4f4e80 <155bc8f94d52c01c0952acee8156f05f26d81ef6 || >=22256b0afb12333571ad11799fa68fd27e4f4e80 <3fbe3f4c57fda09f32e13fa05f53a0cc6f500619 || >=22256b0afb12333571ad11799fa68fd27e4f4e80 <2dbccf1eb8c04b84ee3afdb1d6b787db02e7befc || >=22256b0afb12333571ad11799fa68fd27e4f4e80 <1237c2d4a8db79dfd4369bff6930b0e385ed7d5c155bc8f94d52c01c0952acee8156f05f26d81ef6, 3fbe3f4c57fda09f32e13fa05f53a0cc6f500619, 2dbccf1eb8c04b84ee3afdb1d6b787db02e7befc, 1237c2d4a8db79dfd4369bff6930b0e385ed7d5c

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to 155bc8f94d52c01c0952acee8156f05f26d81ef6 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jul 10, 2025

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 21, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 21, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: net: dsa: b53: do not enable EEE on bcm63xx BCM63xx internal switches do not support EEE, but provide multiple RGMII ports where external PHYs may be connected. If one of these PHYs are EEE capable, we may try to enable EEE for the MACs, which then hangs the system on access of the (non-existent) EEE registers. Fix this by checking if the switch actually supports EEE before attempting to configure it.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Oct 21, 2026
References
4 linked sources
Open source record