CVE-2024-50001 (GCVE-0-2024-50001)

Vulnerability from cvelistv5 – Published: 2024-10-21 18:02 – Updated: 2026-08-05 11:41
VLAI
Title
net/mlx5: Fix error path in multi-packet WQE transmit
Summary
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix error path in multi-packet WQE transmit Remove the erroneous unmap in case no DMA mapping was established The multi-packet WQE transmit code attempts to obtain a DMA mapping for the skb. This could fail, e.g. under memory pressure, when the IOMMU driver just can't allocate more memory for page tables. While the code tries to handle this in the path below the err_unmap label it erroneously unmaps one entry from the sq's FIFO list of active mappings. Since the current map attempt failed this unmap is removing some random DMA mapping that might still be required. If the PCI function now presents that IOVA, the IOMMU may assumes a rogue DMA access and e.g. on s390 puts the PCI function in error state. The erroneous behavior was seen in a stress-test environment that created memory pressure.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 5af75c747e2a868abbf8611494b50ed5e076fca7 , < ca36d6c1a49b6965c86dd528a73f38bc62d9c625 (git)
Affected: 5af75c747e2a868abbf8611494b50ed5e076fca7 , < ce828b347cf1b3c1b12b091d02463c35ce5097f5 (git)
Affected: 5af75c747e2a868abbf8611494b50ed5e076fca7 , < fc357e78176945ca7bcacf92ab794b9ccd41b4f4 (git)
Affected: 5af75c747e2a868abbf8611494b50ed5e076fca7 , < 26fad69b34fcba80d5c7d9e651f628e6ac927754 (git)
Affected: 5af75c747e2a868abbf8611494b50ed5e076fca7 , < ecf310aaf256acbc8182189fe0aa1021c3ddef72 (git)
Affected: 5af75c747e2a868abbf8611494b50ed5e076fca7 , < 8bb8c12fb5e2b1f03d603d493c92941676f109b5 (git)
Affected: 5af75c747e2a868abbf8611494b50ed5e076fca7 , < 2bcae12c795f32ddfbf8c80d1b5f1d3286341c32 (git)
Create a notification for this product.
Linux Linux Affected: 5.10
Unaffected: 0 , < 5.10 (semver)
Unaffected: 5.10.227 , ≤ 5.10.* (semver)
Unaffected: 5.15.168 , ≤ 5.15.* (semver)
Unaffected: 6.1.113 , ≤ 6.1.* (semver)
Unaffected: 6.6.55 , ≤ 6.6.* (semver)
Unaffected: 6.10.14 , ≤ 6.10.* (semver)
Unaffected: 6.11.3 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Siemens RUGGEDCOM RST2428P Affected: 0 , < V3.2 (custom)
Create a notification for this product.
Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family Affected: 0 , < V3.2 (custom)
Create a notification for this product.
Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family Affected: 0 , < V3.2 (custom)
Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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    "microsoft_vex": {
      "current_release_date": "2026-02-21T02:01:32.000Z",
      "cve": "CVE-2024-50001",
      "id": "msrc_CVE-2024-50001",
      "initial_release_date": "2024-10-01T07:00:00.000Z",
      "product_status:fixed": "5",
      "product_status:known_affected": "5",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "net/mlx5: Fix error path in multi-packet WQE transmit",
      "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-50001.json",
      "version": "3"
    },
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If the PCI function now presents that IOVA,\\nthe IOMMU may assumes a rogue DMA access and e.g. on s390 puts the PCI\\nfunction in error state.\\n\\nThe erroneous behavior was seen in a stress-test environment that created\\nmemory pressure.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/mlx5: Corregir ruta de error en transmisi\u00f3n WQE de paquetes m\u00faltiples Eliminar la desasignaci\u00f3n err\u00f3nea en caso de que no se haya establecido una asignaci\u00f3n DMA El c\u00f3digo de transmisi\u00f3n WQE de paquetes m\u00faltiples intenta obtener una asignaci\u00f3n DMA para el skb. Esto podr\u00eda fallar, por ejemplo, bajo presi\u00f3n de memoria, cuando el controlador IOMMU simplemente no puede asignar m\u00e1s memoria para las tablas de p\u00e1ginas. Si bien el c\u00f3digo intenta manejar esto en la ruta debajo de la etiqueta err_unmap, desasigna err\u00f3neamente una entrada de la lista FIFO de asignaciones activas del sq. Dado que el intento de asignaci\u00f3n actual fall\u00f3, esta desasignaci\u00f3n est\u00e1 eliminando alguna asignaci\u00f3n DMA aleatoria que a\u00fan podr\u00eda ser necesaria. Si la funci\u00f3n PCI ahora presenta ese IOVA, el IOMMU puede asumir un acceso DMA no autorizado y, por ejemplo, en s390 pone la funci\u00f3n PCI en estado de error. El comportamiento err\u00f3neo se observ\u00f3 en un entorno de prueba de estr\u00e9s que cre\u00f3 presi\u00f3n de memoria.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/net/ethernet/mellanox/mlx5/core/en_tx.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5af75c747e2a868abbf8611494b50ed5e076fca7\",\"lessThan\":\"ca36d6c1a49b6965c86dd528a73f38bc62d9c625\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5af75c747e2a868abbf8611494b50ed5e076fca7\",\"lessThan\":\"ce828b347cf1b3c1b12b091d02463c35ce5097f5\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5af75c747e2a868abbf8611494b50ed5e076fca7\",\"lessThan\":\"fc357e78176945ca7bcacf92ab794b9ccd41b4f4\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5af75c747e2a868abbf8611494b50ed5e076fca7\",\"lessThan\":\"26fad69b34fcba80d5c7d9e651f628e6ac927754\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5af75c747e2a868abbf8611494b50ed5e076fca7\",\"lessThan\":\"ecf310aaf256acbc8182189fe0aa1021c3ddef72\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5af75c747e2a868abbf8611494b50ed5e076fca7\",\"lessThan\":\"8bb8c12fb5e2b1f03d603d493c92941676f109b5\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5af75c747e2a868abbf8611494b50ed5e076fca7\",\"lessThan\":\"2bcae12c795f32ddfbf8c80d1b5f1d3286341c32\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/net/ethernet/mellanox/mlx5/core/en_tx.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5.10\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"5.10\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.227\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.168\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.113\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.55\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.10.14\",\"lessThanOrEqual\":\"6.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.11.3\",\"lessThanOrEqual\":\"6.11.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]},{\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\",\"affectedData\":[{\"vendor\":\"Siemens\",\"product\":\"RUGGEDCOM RST2428P\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V3.2\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V3.2\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SCALANCE XCM-/XRM-/XCH-/XRH-300 family\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V3.2\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC S7-1500 TM MFP - 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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-08-04T22:41:02+00:00",
      "cve": "CVE-2024-50001",
      "id": "CVE-2024-50001",
      "initial_release_date": "2024-10-21T00:00:00+00:00",
      "product_status:known_affected": "184",
      "product_status:known_not_affected": "14",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: net/mlx5: Fix error path in multi-packet WQE transmit",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-50001.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-25T01:30:23Z",
      "cve": "CVE-2024-50001",
      "id": "CVE-2024-50001",
      "initial_release_date": "2024-10-23T13:22:35Z",
      "product_status:known_affected": "426",
      "product_status:known_not_affected": "233",
      "product_status:recommended": "643",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-50001",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-50001.json",
      "version": "63"
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    "vulnrichment": {
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GNU/Linux subsystem\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"*\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}], \"x_adpType\": \"supplier\", \"references\": [{\"url\": \"https://cert-portal.siemens.com/productcert/html/ssa-265688.html\"}, {\"url\": \"https://cert-portal.siemens.com/productcert/html/ssa-355557.html\"}], \"providerMetadata\": {\"orgId\": \"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\", \"shortName\": \"siemens-SADP\", \"dateUpdated\": \"2026-05-12T11:59:37.348Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-50001\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-22T13:29:57.852551Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-22T13:30:01.049Z\"}}], \"cna\": {\"title\": \"net/mlx5: Fix error path in multi-packet WQE transmit\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5af75c747e2a868abbf8611494b50ed5e076fca7\", \"lessThan\": \"ca36d6c1a49b6965c86dd528a73f38bc62d9c625\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5af75c747e2a868abbf8611494b50ed5e076fca7\", \"lessThan\": \"ce828b347cf1b3c1b12b091d02463c35ce5097f5\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5af75c747e2a868abbf8611494b50ed5e076fca7\", \"lessThan\": \"fc357e78176945ca7bcacf92ab794b9ccd41b4f4\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5af75c747e2a868abbf8611494b50ed5e076fca7\", \"lessThan\": \"26fad69b34fcba80d5c7d9e651f628e6ac927754\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5af75c747e2a868abbf8611494b50ed5e076fca7\", \"lessThan\": \"ecf310aaf256acbc8182189fe0aa1021c3ddef72\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5af75c747e2a868abbf8611494b50ed5e076fca7\", \"lessThan\": \"8bb8c12fb5e2b1f03d603d493c92941676f109b5\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5af75c747e2a868abbf8611494b50ed5e076fca7\", \"lessThan\": \"2bcae12c795f32ddfbf8c80d1b5f1d3286341c32\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/ethernet/mellanox/mlx5/core/en_tx.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.10\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.10\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.10.227\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.168\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.113\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.55\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.14\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/ethernet/mellanox/mlx5/core/en_tx.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/ca36d6c1a49b6965c86dd528a73f38bc62d9c625\"}, {\"url\": \"https://git.kernel.org/stable/c/ce828b347cf1b3c1b12b091d02463c35ce5097f5\"}, {\"url\": \"https://git.kernel.org/stable/c/fc357e78176945ca7bcacf92ab794b9ccd41b4f4\"}, {\"url\": \"https://git.kernel.org/stable/c/26fad69b34fcba80d5c7d9e651f628e6ac927754\"}, {\"url\": \"https://git.kernel.org/stable/c/ecf310aaf256acbc8182189fe0aa1021c3ddef72\"}, {\"url\": \"https://git.kernel.org/stable/c/8bb8c12fb5e2b1f03d603d493c92941676f109b5\"}, {\"url\": \"https://git.kernel.org/stable/c/2bcae12c795f32ddfbf8c80d1b5f1d3286341c32\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet/mlx5: Fix error path in multi-packet WQE transmit\\n\\nRemove the erroneous unmap in case no DMA mapping was established\\n\\nThe multi-packet WQE transmit code attempts to obtain a DMA mapping for\\nthe skb. This could fail, e.g. under memory pressure, when the IOMMU\\ndriver just can\u0027t allocate more memory for page tables. While the code\\ntries to handle this in the path below the err_unmap label it erroneously\\nunmaps one entry from the sq\u0027s FIFO list of active mappings. Since the\\ncurrent map attempt failed this unmap is removing some random DMA mapping\\nthat might still be required. If the PCI function now presents that IOVA,\\nthe IOMMU may assumes a rogue DMA access and e.g. on s390 puts the PCI\\nfunction in error state.\\n\\nThe erroneous behavior was seen in a stress-test environment that created\\nmemory pressure.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.227\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.168\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.113\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.55\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.14\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.3\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"5.10\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:43:37.334Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-50001\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-12T11:59:37.348Z\", \"dateReserved\": \"2024-10-21T12:17:06.058Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T18:02:40.254Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.


Detection rules are retrieved from Rulezet.