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  4. CVE 2024 56600 net inet6 do not leave a dangling sk pointer in
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Back to active CVEs
High · CVSS 7.8CVE-2024-56600

net: inet6: do not leave a dangling sk pointer in inet6_create()CVE-2024-56600

Answer in brief

CVE-2024-56600 records a High severity (CVSS 7.8) vulnerability in net: inet6: do not leave a dangling sk pointer in inet6_create(). 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 Dec 27, 2024Updated Oct 15, 2026Source checked Oct 15, 2026First seen by HOL Oct 15, 2026Material review Oct 15, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.8
Exploitation
Not marked as known exploited
Affected software
8 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.8. 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>=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <f2709d1271cfdf55c670ab5c5982139ab627ddc7 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <35360255ca30776dee34d9fa764cffa24d0a5f65 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <276a473c956fb55a6f3affa9ff232e10fffa7b43 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <79e16a0d339532ea832d85798eb036fc4f9e0cea || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <706b07b7b37f886423846cb38919132090bc40da || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <f44fceb71d72d29fb00e0ac84cdf9c081b03cd06 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <9df99c395d0f55fb444ef39f4d6f194ca437d884f2709d1271cfdf55c670ab5c5982139ab627ddc7, 35360255ca30776dee34d9fa764cffa24d0a5f65, 276a473c956fb55a6f3affa9ff232e10fffa7b43, 79e16a0d339532ea832d85798eb036fc4f9e0cea, 706b07b7b37f886423846cb38919132090bc40da, f44fceb71d72d29fb00e0ac84cdf9c081b03cd06, 9df99c395d0f55fb444ef39f4d6f194ca437d884
Linux/Linuxgeneric2.6.12Not 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/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 f2709d1271cfdf55c670ab5c5982139ab627ddc7; 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/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

    Dec 27, 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 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
  • Source referencelists.debian.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: net: inet6: do not leave a dangling sk pointer in inet6_create() sock_init_data() attaches the allocated sk pointer to the provided sock object. If inet6_create() fails later, the sk object is released, but the sock object retains the dangling sk pointer, which may cause use-after-free later. Clear the sock sk pointer on error.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • SODOLA SL902-SWTGW124AS Buffer Overflow DoS via Multipart Boundary ParserSame generic ecosystem
  • Ellucian WebAdvisor 3.2 Unauthenticated XXE InjectionSame generic ecosystem
  • sgl-project SGLang generate Endpoint io_struct.py denial of serviceSame generic ecosystem
  • sgl-project SGLang Session Cleanup session_controller.py Session.create_req denial of serviceSame generic ecosystem
  • ggml-org whisper.cpp Model Loader whisper_model_load out-of-boundsSame generic ecosystem
  • FreeRDP shadow before 3.32.0 Pre-Authentication Input Injection via Confirm Active bypassSame generic ecosystem

Record context

Vulnerability class
Memory Corruption
EPSS
Not reported
CWE IDs
CWE-416
Source
CVE List V5
Source checked
Oct 15, 2026
References
11 linked sources
Open source record