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CVE-2024-50136 (GCVE-0-2024-50136)

Vulnerability from cvelistv5 – Published: 2024-11-05 17:11 – Updated: 2026-05-23 15:54
VLAI
Title
net/mlx5: Unregister notifier on eswitch init failure
Summary
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Unregister notifier on eswitch init failure It otherwise remains registered and a subsequent attempt at eswitch enabling might trigger warnings of the sort: [ 682.589148] ------------[ cut here ]------------ [ 682.590204] notifier callback eswitch_vport_event [mlx5_core] already registered [ 682.590256] WARNING: CPU: 13 PID: 2660 at kernel/notifier.c:31 notifier_chain_register+0x3e/0x90 [...snipped] [ 682.610052] Call Trace: [ 682.610369] <TASK> [ 682.610663] ? __warn+0x7c/0x110 [ 682.611050] ? notifier_chain_register+0x3e/0x90 [ 682.611556] ? report_bug+0x148/0x170 [ 682.611977] ? handle_bug+0x36/0x70 [ 682.612384] ? exc_invalid_op+0x13/0x60 [ 682.612817] ? asm_exc_invalid_op+0x16/0x20 [ 682.613284] ? notifier_chain_register+0x3e/0x90 [ 682.613789] atomic_notifier_chain_register+0x25/0x40 [ 682.614322] mlx5_eswitch_enable_locked+0x1d4/0x3b0 [mlx5_core] [ 682.614965] mlx5_eswitch_enable+0xc9/0x100 [mlx5_core] [ 682.615551] mlx5_device_enable_sriov+0x25/0x340 [mlx5_core] [ 682.616170] mlx5_core_sriov_configure+0x50/0x170 [mlx5_core] [ 682.616789] sriov_numvfs_store+0xb0/0x1b0 [ 682.617248] kernfs_fop_write_iter+0x117/0x1a0 [ 682.617734] vfs_write+0x231/0x3f0 [ 682.618138] ksys_write+0x63/0xe0 [ 682.618536] do_syscall_64+0x4c/0x100 [ 682.618958] entry_SYSCALL_64_after_hwframe+0x4b/0x53
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 20:21 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 0aa1e83a20f12e9eaad32f72212ebc7fe0c29c95 , < e58fb7ddbab6635191c26dea1af26b91cce00866 (git)
Affected: 7624e58a8b3a251e3e5108b32f2183b34453db32 , < 9f2ccb6f3888bec45c00121ee43e4e72423b12c1 (git)
Affected: 7624e58a8b3a251e3e5108b32f2183b34453db32 , < 599147722c5778c96292e2fbff4103abbdb45b1f (git)
Affected: 7624e58a8b3a251e3e5108b32f2183b34453db32 , < 1da9cfd6c41c2e6bbe624d0568644e1521c33e12 (git)
Affected: dc426bd9d813aa5754ce35adaa6f97f0585c06fc (git)
Affected: 6.1.60 , < 6.1.115 (semver)
Affected: 6.5.9 , < 6.6 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 6.6
Unaffected: 0 , < 6.6 (semver)
Unaffected: 6.1.115 , ≤ 6.1.* (semver)
Unaffected: 6.6.59 , ≤ 6.6.* (semver)
Unaffected: 6.11.6 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/mlx5: Anular el registro del notificador en caso de error de inicializaci\u00f3n de eswitch De lo contrario, permanece registrado y un intento posterior de habilitar eswitch podr\u00eda generar advertencias del tipo: [ 682.589148] ------------[ cortar aqu\u00ed ]------------ [ 682.590204] devoluci\u00f3n de llamada del notificador eswitch_vport_event [mlx5_core] ya registrado [ 682.590256] ADVERTENCIA: CPU: 13 PID: 2660 en kernel/notifier.c:31 notifier_chain_register+0x3e/0x90 [...cortado] [ 682.610052] Rastreo de llamada: [ 682.610369]  [ 682.610663] ? __warn+0x7c/0x110 [ 682.611050] ? notifier_chain_register+0x3e/0x90 [ 682.611556] ? report_bug+0x148/0x170 [ 682.611977] ? handle_bug+0x36/0x70 [ 682.612384] ? exc_invalid_op+0x13/0x60 [ 682.612817] ? asm_exc_invalid_op+0x16/0x20 [ 682.613284] ? notifier_chain_register+0x3e/0x90 [ 682.613789] atomic_notifier_chain_register+0x25/0x40 [ 682.614322] mlx5_eswitch_enable_locked+0x1d4/0x3b0 [mlx5_core] [ 682.614965] mlx5_eswitch_enable+0xc9/0x100 [mlx5_core] [ 682.615551] mlx5_device_enable_sriov+0x25/0x340 [mlx5_core] [ 682.616170] mlx5_core_sriov_configure+0x50/0x170 [mlx5_core] [ 682.616789] sriov_numvfs_store+0xb0/0x1b0 [ 682.617248] kernfs_fop_write_iter+0x117/0x1a0 [ 682.617734] vfs_write+0x231/0x3f0 [ 682.618138] ksys_write+0x63/0xe0 [ 682.618536] do_syscall_64+0x4c/0x100 [ 682.618958] entry_SYSCALL_64_after_hwframe+0x4b/0x53"
          }
        ],
        "id": "CVE-2024-50136",
        "lastModified": "2026-06-17T08:03:40.947",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2024-50136",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-01T20:21:17.192774Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2024-11-05T18:15:16.213",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/1da9cfd6c41c2e6bbe624d0568644e1521c33e12"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/599147722c5778c96292e2fbff4103abbdb45b1f"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/9f2ccb6f3888bec45c00121ee43e4e72423b12c1"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/e58fb7ddbab6635191c26dea1af26b91cce00866"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-09-13T18:33:34+00:00",
      "cve": "CVE-2024-50136",
      "id": "CVE-2024-50136",
      "initial_release_date": "2024-11-05T00:00:00+00:00",
      "product_status:known_affected": "184",
      "product_status:known_not_affected": "14",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: net/mlx5: Unregister notifier on eswitch init failure",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-50136.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2025-11-03T22:25:56.068Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "LOW",
                  "attackVector": "LOCAL",
                  "availabilityImpact": "HIGH",
                  "baseScore": 5.5,
                  "baseSeverity": "MEDIUM",
                  "confidentialityImpact": "NONE",
                  "integrityImpact": "NONE",
                  "privilegesRequired": "LOW",
                  "scope": "UNCHANGED",
                  "userInteraction": "NONE",
                  "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2024-50136",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-10-01T20:21:17.192774Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "description": "CWE-noinfo Not enough information",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-10-01T15:17:01.060Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Linux",
              "programFiles": [
                "drivers/net/ethernet/mellanox/mlx5/core/eswitch.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "lessThan": "e58fb7ddbab6635191c26dea1af26b91cce00866",
                  "status": "affected",
                  "version": "0aa1e83a20f12e9eaad32f72212ebc7fe0c29c95",
                  "versionType": "git"
                },
                {
                  "lessThan": "9f2ccb6f3888bec45c00121ee43e4e72423b12c1",
                  "status": "affected",
                  "version": "7624e58a8b3a251e3e5108b32f2183b34453db32",
                  "versionType": "git"
                },
                {
                  "lessThan": "599147722c5778c96292e2fbff4103abbdb45b1f",
                  "status": "affected",
                  "version": "7624e58a8b3a251e3e5108b32f2183b34453db32",
                  "versionType": "git"
                },
                {
                  "lessThan": "1da9cfd6c41c2e6bbe624d0568644e1521c33e12",
                  "status": "affected",
                  "version": "7624e58a8b3a251e3e5108b32f2183b34453db32",
                  "versionType": "git"
                },
                {
                  "status": "affected",
                  "version": "dc426bd9d813aa5754ce35adaa6f97f0585c06fc",
                  "versionType": "git"
                },
                {
                  "lessThan": "6.1.115",
                  "status": "affected",
                  "version": "6.1.60",
                  "versionType": "semver"
                },
                {
                  "lessThan": "6.6",
                  "status": "affected",
                  "version": "6.5.9",
                  "versionType": "semver"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "drivers/net/ethernet/mellanox/mlx5/core/eswitch.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "6.6"
                },
                {
                  "lessThan": "6.6",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.1.*",
                  "status": "unaffected",
                  "version": "6.1.115",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.6.*",
                  "status": "unaffected",
                  "version": "6.6.59",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.11.*",
                  "status": "unaffected",
                  "version": "6.11.6",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.12",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.1.115",
                      "versionStartIncluding": "6.1.60",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.6.59",
                      "versionStartIncluding": "6.6",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.11.6",
                      "versionStartIncluding": "6.6",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.12",
                      "versionStartIncluding": "6.6",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionStartIncluding": "6.5.9",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Unregister notifier on eswitch init failure\n\nIt otherwise remains registered and a subsequent attempt at eswitch\nenabling might trigger warnings of the sort:\n\n[  682.589148] ------------[ cut here ]------------\n[  682.590204] notifier callback eswitch_vport_event [mlx5_core] already registered\n[  682.590256] WARNING: CPU: 13 PID: 2660 at kernel/notifier.c:31 notifier_chain_register+0x3e/0x90\n[...snipped]\n[  682.610052] Call Trace:\n[  682.610369]  \u003cTASK\u003e\n[  682.610663]  ? __warn+0x7c/0x110\n[  682.611050]  ? notifier_chain_register+0x3e/0x90\n[  682.611556]  ? report_bug+0x148/0x170\n[  682.611977]  ? handle_bug+0x36/0x70\n[  682.612384]  ? exc_invalid_op+0x13/0x60\n[  682.612817]  ? asm_exc_invalid_op+0x16/0x20\n[  682.613284]  ? notifier_chain_register+0x3e/0x90\n[  682.613789]  atomic_notifier_chain_register+0x25/0x40\n[  682.614322]  mlx5_eswitch_enable_locked+0x1d4/0x3b0 [mlx5_core]\n[  682.614965]  mlx5_eswitch_enable+0xc9/0x100 [mlx5_core]\n[  682.615551]  mlx5_device_enable_sriov+0x25/0x340 [mlx5_core]\n[  682.616170]  mlx5_core_sriov_configure+0x50/0x170 [mlx5_core]\n[  682.616789]  sriov_numvfs_store+0xb0/0x1b0\n[  682.617248]  kernfs_fop_write_iter+0x117/0x1a0\n[  682.617734]  vfs_write+0x231/0x3f0\n[  682.618138]  ksys_write+0x63/0xe0\n[  682.618536]  do_syscall_64+0x4c/0x100\n[  682.618958]  entry_SYSCALL_64_after_hwframe+0x4b/0x53"
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-23T15:54:35.375Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/e58fb7ddbab6635191c26dea1af26b91cce00866"
            },
            {
              "url": "https://git.kernel.org/stable/c/9f2ccb6f3888bec45c00121ee43e4e72423b12c1"
            },
            {
              "url": "https://git.kernel.org/stable/c/599147722c5778c96292e2fbff4103abbdb45b1f"
            },
            {
              "url": "https://git.kernel.org/stable/c/1da9cfd6c41c2e6bbe624d0568644e1521c33e12"
            }
          ],
          "title": "net/mlx5: Unregister notifier on eswitch init failure",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-50136",
        "datePublished": "2024-11-05T17:11:00.231Z",
        "dateReserved": "2024-10-21T19:36:19.955Z",
        "dateUpdated": "2026-05-23T15:54:35.375Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Taxonomy of the tags.





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.


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.