Vulnerability-Lookup

FKIE_CVE-2024-41046

Vulnerability from fkie_nvd - Published: 2024-07-29 15:15 - Updated: 2026-10-15 01:18

Severity

8.8 (High) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: lantiq_etop: fix double free in detach The number of the currently released descriptor is never incremented which results in the same skb being released multiple times.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/1a2db00a554cfda57c397cce79b2804bf9633fec	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/22b16618a80858b3a9d607708444426948cc4ae1	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/69ad5fa0ce7c548262e0770fc2b726fe7ab4f156	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/84aaaa796a19195fc59290154fef9aeb1fba964f	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/907443174e76b854d28024bd079f0e53b94dc9a1	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/9d23909ae041761cb2aa0c3cb1748598d8b6bc54	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/c2b66e2b3939af63699e4a4bd25a8ac4a9b1d1b3	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e1533b6319ab9c3a97dad314dd88b3783bc41b69	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/1a2db00a554cfda57c397cce79b2804bf9633fec	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/22b16618a80858b3a9d607708444426948cc4ae1	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/69ad5fa0ce7c548262e0770fc2b726fe7ab4f156	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/84aaaa796a19195fc59290154fef9aeb1fba964f	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/907443174e76b854d28024bd079f0e53b94dc9a1	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/9d23909ae041761cb2aa0c3cb1748598d8b6bc54	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/c2b66e2b3939af63699e4a4bd25a8ac4a9b1d1b3	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/e1533b6319ab9c3a97dad314dd88b3783bc41b69	Patch
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
0b142b55-0307-4c5a-b3c9-f314f3fb7c5e	https://cert-portal.siemens.com/productcert/html/ssa-355557.html
0b142b55-0307-4c5a-b3c9-f314f3fb7c5e	https://cert-portal.siemens.com/productcert/html/ssa-398330.html
0b142b55-0307-4c5a-b3c9-f314f3fb7c5e	https://cert-portal.siemens.com/productcert/html/ssa-503939.html
0b142b55-0307-4c5a-b3c9-f314f3fb7c5e	https://cert-portal.siemens.com/productcert/html/ssa-613116.html

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/lantiq_etop.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "1a2db00a554cfda57c397cce79b2804bf9633fec",
              "status": "affected",
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              "versionType": "git"
            },
            {
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            },
            {
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          ]
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "4.19.318",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.280",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.222",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.163",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.100",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.41",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.9.*",
              "status": "unaffected",
              "version": "6.9.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.10",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "product": "RUGGEDCOM RST2428P",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V3.1",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SCALANCE XCM-/XRM-/XCH-/XRH-300 family",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V3.1",
              "status": "affected",
              "version": "0",
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            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
          "vendor": "Siemens",
          "versions": [
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              "lessThan": "V3.1.5",
              "status": "affected",
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              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
          "vendor": "Siemens",
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              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
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          "vendor": "Siemens",
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            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
          "vendor": "Siemens",
          "versions": [
            {
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              "status": "affected",
              "version": "V3.1.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIMATIC S7-1500 TM MFP - BIOS",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "*",
              "status": "affected",
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        },
        {
          "defaultStatus": "unknown",
          "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP",
          "vendor": "Siemens",
          "versions": [
            {
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              "status": "affected",
              "version": "V3.1.0",
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            }
          ]
        }
      ],
      "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: lantiq_etop: fix double free in detach\n\nThe number of the currently released descriptor is never incremented\nwhich results in the same skb being released multiple times."
    },
    {
      "lang": "es",
      "value": " En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: net: ethernet: lantiq_etop: fix double free in detach El n\u00famero del descriptor publicado actualmente nunca se incrementa, lo que da como resultado que el mismo skb se publique varias veces."
    }
  ],
  "id": "CVE-2024-41046",
  "lastModified": "2026-10-15T01:18:41.680",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
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        "impactScore": 5.9,
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary"
      },
      {
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          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-41046",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-10T16:22:57.535074Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-07-29T15:15:12.943",
  "references": [
    {
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
    },
    {
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    },
    {
      "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-398330.html"
    },
    {
      "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-503939.html"
    },
    {
      "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-613116.html"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-415"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2024-41046 (GCVE-0-2024-41046)

Vulnerability from cvelistv5 – Published: 2024-07-29 14:32 – Updated: 2026-10-15 00:47

Title

net: ethernet: lantiq_etop: fix double free in detach

Summary

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-10 16:22 UTC

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 6653 records in the last 180 days details

References

13 references

URL	Tags
https://git.kernel.org/stable/c/1a2db00a554cfda57…
https://git.kernel.org/stable/c/907443174e76b854d…
https://git.kernel.org/stable/c/22b16618a80858b3a…
https://git.kernel.org/stable/c/69ad5fa0ce7c54826…
https://git.kernel.org/stable/c/c2b66e2b3939af636…
https://git.kernel.org/stable/c/9d23909ae041761cb…
https://git.kernel.org/stable/c/84aaaa796a19195fc…
https://git.kernel.org/stable/c/e1533b6319ab9c3a9…
https://lists.debian.org/debian-lts-announce/2025…
https://cert-portal.siemens.com/productcert/html/…
https://cert-portal.siemens.com/productcert/html/…
https://cert-portal.siemens.com/productcert/html/…
https://cert-portal.siemens.com/productcert/html/…

Impacted products

9 products

Vendor	Product	Version
Linux	Linux	Affected: 504d4721ee8e432af4b5f196a08af38bc4dac5fe , < 1a2db00a554cfda57c397cce79b2804bf9633fec (git) Affected: 504d4721ee8e432af4b5f196a08af38bc4dac5fe , < 907443174e76b854d28024bd079f0e53b94dc9a1 (git) Affected: 504d4721ee8e432af4b5f196a08af38bc4dac5fe , < 22b16618a80858b3a9d607708444426948cc4ae1 (git) Affected: 504d4721ee8e432af4b5f196a08af38bc4dac5fe , < 69ad5fa0ce7c548262e0770fc2b726fe7ab4f156 (git) Affected: 504d4721ee8e432af4b5f196a08af38bc4dac5fe , < c2b66e2b3939af63699e4a4bd25a8ac4a9b1d1b3 (git) Affected: 504d4721ee8e432af4b5f196a08af38bc4dac5fe , < 9d23909ae041761cb2aa0c3cb1748598d8b6bc54 (git) Affected: 504d4721ee8e432af4b5f196a08af38bc4dac5fe , < 84aaaa796a19195fc59290154fef9aeb1fba964f (git) Affected: 504d4721ee8e432af4b5f196a08af38bc4dac5fe , < e1533b6319ab9c3a97dad314dd88b3783bc41b69 (git)
Linux	Linux	Affected: 3.0 Unaffected: 0 , < 3.0 (semver) Unaffected: 4.19.318 , ≤ 4.19.* (semver) Unaffected: 5.4.280 , ≤ 5.4.* (semver) Unaffected: 5.10.222 , ≤ 5.10.* (semver) Unaffected: 5.15.163 , ≤ 5.15.* (semver) Unaffected: 6.1.100 , ≤ 6.1.* (semver) Unaffected: 6.6.41 , ≤ 6.6.* (semver) Unaffected: 6.9.10 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix)
Siemens	RUGGEDCOM RST2428P	Affected: 0 , < V3.1 (custom)
Siemens	SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family	Unaffected: 0 , < * (custom)
Siemens	SCALANCE XCM-/XRM-/XCH-/XRH-300 family	Affected: 0 , < V3.1 (custom)
Siemens	SIMATIC S7-1500 CPU 1518-4 PN/DP MFP	Affected: V3.1.0 , < V3.1.5 (custom)
Siemens	SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP	Affected: V3.1.0 , < V3.1.5 (custom)
Siemens	SIMATIC S7-1500 TM MFP - BIOS	Affected: 0 , < * (custom)
Siemens	SIPLUS S7-1500 CPU 1518-4 PN/DP MFP	Affected: V3.1.0 , < V3.1.5 (custom)

Show details on NVD website

JSON

To clipboard

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              "value": "AV:A - The teardown path is reached via `ndo_tx_timeout`, which `dev_watchdog()` fires when the TX queue stays stopped for 10 s with carrier up \u2014 inducible by an attacker on the same Ethernet segment via sustained 802.3x PAUSE flooding or link-level stalling of the 100 Mbit MAC on these Lantiq CPE devices. The stall mechanism is link-local L2 and does not survive a router hop, so Adjacent rather than Network.\nAC:L - The attacker fully controls the stalling condition and can simply keep transmitting PAUSE frames past the 10-second watchdog window, and the buggy loop then unconditionally frees the same skb 192 times with no race or layout precondition. Heap grooming of the freed skb is also attacker-controlled since the same interface is receiving their traffic.\nPR:N - No account, credential, or authentication on the target is needed \u2014 an unauthenticated peer on the link segment only has to emit flow-control/traffic frames to trip the transmit watchdog. No local access or capability is involved on this path.\nUI:N - The watchdog timer fires automatically from `dev_watchdog()` and calls `ltq_etop_tx_timeout()` with no administrator or user action. No interface down/up, unbind, or module unload by a legitimate user is required.\nS:U - The double free corrupts kernel slab state within the same kernel security authority; no VM, hypervisor, IOMMU, or sandbox boundary is crossed.\nC:H - The 191 redundant frees operate on freed sk_buff memory, dereferencing `skb-\u003ehead`/`skb-\u003eend` to reach `skb_shinfo()` and re-inserting the object into the skb slab freelist, producing overlapping allocations that let an attacker read reallocated kernel heap contents (other packets, credentials, kernel pointers). Per kernel guidance, use-after-free/double-free is scored High confidentiality.\nI:H - Freeing the same object 192 times corrupts the `skbuff_cache` freelist into aliased allocations (arbitrary write primitive) and drives an indirect call through the attacker-influenceable `skb-\u003edestructor` field in `skb_release_head_state()`, plus a controlled `skb-\u003ehead` free and page refcount decrements. This is a control-flow-hijack-capable memory corruption, not a bounded modification.\nA:H - Even without exploitation the 191-fold double free reliably triggers slab corruption, list poisoning, and kernel panic/oops, and the DMA engine may still have the freed buffer mapped. The trigger is repeatable at will by the adjacent attacker."
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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