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  4. CVE 2024 49997 net ethernet lantiqetop fix memory disclosure
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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2024-49997

net: ethernet: lantiq_etop: fix memory disclosureCVE-2024-49997

Answer in brief

CVE-2024-49997 records a Unknown severity vulnerability in net: ethernet: lantiq_etop: fix memory disclosure. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic), Siemens/RUGGEDCOM RST2428P (generic), Siemens/SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Analysis pending evidence review

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

Published Oct 21, 2024Updated Oct 15, 2026Source checked Oct 15, 2026First seen by HOL Oct 15, 2026Material review Oct 15, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
9 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), Siemens/RUGGEDCOM RST2428P (generic), Siemens/SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=504d4721ee8e432af4b5f196a08af38bc4dac5fe <905f06a34f960676e7dc77bea00f2f8fe18177ad || >=504d4721ee8e432af4b5f196a08af38bc4dac5fe <60c068444c20bf9a3e22b65b5f6f3d9edc852931 || >=504d4721ee8e432af4b5f196a08af38bc4dac5fe <185df159843d30fb71f821e7ea4368c2a3bfcd36 || >=504d4721ee8e432af4b5f196a08af38bc4dac5fe <469856f76f4802c5d7e3d20e343185188de1e2db || >=504d4721ee8e432af4b5f196a08af38bc4dac5fe <2bf4c101d7c99483b8b15a0c8f881e3f399f7e18 || >=504d4721ee8e432af4b5f196a08af38bc4dac5fe <e66e38d07b31e177ca430758ed97fbc79f27d966 || >=504d4721ee8e432af4b5f196a08af38bc4dac5fe <1097bf16501ed5e35358d848b0a94ad2830b0f65 || >=504d4721ee8e432af4b5f196a08af38bc4dac5fe <431b122933b197820d319eb3987a67d04346ce9e || >=504d4721ee8e432af4b5f196a08af38bc4dac5fe <45c0de18ff2dc9af01236380404bbd6a46502c69905f06a34f960676e7dc77bea00f2f8fe18177ad, 60c068444c20bf9a3e22b65b5f6f3d9edc852931, 185df159843d30fb71f821e7ea4368c2a3bfcd36, 469856f76f4802c5d7e3d20e343185188de1e2db, 2bf4c101d7c99483b8b15a0c8f881e3f399f7e18, e66e38d07b31e177ca430758ed97fbc79f27d966, 1097bf16501ed5e35358d848b0a94ad2830b0f65, 431b122933b197820d319eb3987a67d04346ce9e, 45c0de18ff2dc9af01236380404bbd6a46502c69
Linux/Linuxgeneric3.0Not reported
Siemens/RUGGEDCOM RST2428Pgeneric>=0 <V3.2V3.2
Siemens/SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 familygeneric>=0 <V3.2V3.2
Siemens/SCALANCE XCM-/XRM-/XCH-/XRH-300 familygeneric>=0 <V3.2V3.2
Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFPgeneric>=V3.1.0 <V3.1.5V3.1.5
Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFPgeneric>=V3.1.0 <V3.1.5V3.1.5
Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystemgeneric>=0 <V1.1.1V1.1.1
Siemens/SIPLUS S7-1500 CPU 1518-4 PN/DP MFPgeneric>=V3.1.0 <V3.1.5V3.1.5

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux, Siemens/RUGGEDCOM RST2428P.
  2. 2Review the reported fix. Update Linux/Linux to 905f06a34f960676e7dc77bea00f2f8fe18177ad; Siemens/RUGGEDCOM RST2428P to V3.2; Siemens/SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family to V3.2; Siemens/SCALANCE XCM-/XRM-/XCH-/XRH-300 family to V3.2; Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP to V3.1.5; Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP to V3.1.5; Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystem to V1.1.1; Siemens/SIPLUS S7-1500 CPU 1518-4 PN/DP MFP to V3.1.5 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 21, 2024

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

  2. Source modified

    Oct 15, 2026

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

  3. First seen by HOL

    Oct 15, 2026

Sources and claim methodology

  • Source referencecert-portal.siemens.com
  • Source referencecert-portal.siemens.com
  • Source referencecert-portal.siemens.com
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencelists.debian.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: lantiq_etop: fix memory disclosure When applying padding, the buffer is not zeroed, which results in memory disclosure. The mentioned data is observed on the wire. This patch uses skb_put_padto() to pad Ethernet frames properly. The mentioned function zeroes the expanded buffer. In case the packet cannot be padded it is silently dropped. Statistics are also not incremented. This driver does not support statistics in the old 32-bit format or the new 64-bit format. These will be added in the future. In its current form, the patch should be easily backported to stable versions. Ethernet MACs on Amazon-SE and Danube cannot do padding of the packets in hardware, so software padding must be applied.

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Oct 15, 2026
References
13 linked sources
Open source record