CVE-2025-22095 (GCVE-0-2025-22095)

Vulnerability from cvelistv5 – Published: 2025-04-16 14:12 – Updated: 2026-10-15 01:05
VLAI
Title
PCI: brcmstb: Fix error path after a call to regulator_bulk_get()
Summary
In the Linux kernel, the following vulnerability has been resolved: PCI: brcmstb: Fix error path after a call to regulator_bulk_get() If the regulator_bulk_get() returns an error and no regulators are created, we need to set their number to zero. If we don't do this and the PCIe link up fails, a call to the regulator_bulk_free() will result in a kernel panic. While at it, print the error value, as we cannot return an error upwards as the kernel will WARN() on an error from add_bus(). [kwilczynski: commit log, use comma in the message to match style with other similar messages]
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 7067 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 9e6be018b26347c26a93e63fb50a37ee2c9311de , < 99a0efba9f903acbdece548862b6b4cbe7d999e1 (git)
Affected: 9e6be018b26347c26a93e63fb50a37ee2c9311de , < eedd054834930b8d678f0776cd4b091b8fffbb4a (git)
Affected: 9e6be018b26347c26a93e63fb50a37ee2c9311de , < df63321a40cc98e52313cffbff376b8ae9ceffa7 (git)
Affected: 9e6be018b26347c26a93e63fb50a37ee2c9311de , < 7842e842a9bf6bd5866c84f588353711d131ab1a (git)
Affected: 9e6be018b26347c26a93e63fb50a37ee2c9311de , < 6f44e1fdb006db61394aa4d4c25728ada00842e7 (git)
Affected: 9e6be018b26347c26a93e63fb50a37ee2c9311de , < 3651ad5249c51cf7eee078e12612557040a6bdb4 (git)
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Linux Linux Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 6.1.134 , ≤ 6.1.* (semver)
Unaffected: 6.6.87 , ≤ 6.6.* (semver)
Unaffected: 6.12.23 , ≤ 6.12.* (semver)
Unaffected: 6.13.11 , ≤ 6.13.* (semver)
Unaffected: 6.14.2 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)
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Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.6 , < * (custom)
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Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.7 , < * (custom)
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Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP Affected: V3.1.6 , < * (custom)
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Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP Affected: V3.1.7 , < * (custom)
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Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.6 , < * (custom)
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Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.7 , < * (custom)
guessed Create a notification for this product.
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                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "26CAB76D-F00F-43CE-BEAD-7097F8FB1D6C",
                    "versionEndExcluding": "6.12.23",
                    "versionStartIncluding": "6.7",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E7E864B0-8C00-4679-BA55-659B4C9C3AD3",
                    "versionEndExcluding": "6.13.11",
                    "versionStartIncluding": "6.13",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "FADAE5D8-4808-442C-B218-77B2CE8780A0",
                    "versionEndExcluding": "6.14.2",
                    "versionStartIncluding": "6.14",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: brcmstb: Fix error path after a call to regulator_bulk_get()\n\nIf the regulator_bulk_get() returns an error and no regulators\nare created, we need to set their number to zero.\n\nIf we don\u0027t do this and the PCIe link up fails, a call to the\nregulator_bulk_free() will result in a kernel panic.\n\nWhile at it, print the error value, as we cannot return an error\nupwards as the kernel will WARN() on an error from add_bus().\n\n[kwilczynski: commit log, use comma in the message to match style with\nother similar messages]"
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: PCI: brcmstb: Correcci\u00f3n de la ruta de error tras una llamada a regulator_bulk_get(). Si regulator_bulk_get() devuelve un error y no se crean reguladores, debemos establecer su n\u00famero en cero. Si no lo hacemos y falla la conexi\u00f3n PCIe, una llamada a regulator_bulk_free() provocar\u00e1 un p\u00e1nico del kernel. Mientras tanto, imprima el valor del error, ya que no podemos devolver un error hacia arriba, ya que el kernel emitir\u00e1 una advertencia WARN() en caso de un error de add_bus(). [kwilczynski: registro de confirmaciones, usar coma en el mensaje para que coincida con el estilo de otros mensajes similares]"
          }
        ],
        "id": "CVE-2025-22095",
        "lastModified": "2026-10-15T02:17:44.790",
        "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"
            }
          ]
        },
        "published": "2025-04-16T15:16:03.830",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/3651ad5249c51cf7eee078e12612557040a6bdb4"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/6f44e1fdb006db61394aa4d4c25728ada00842e7"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/7842e842a9bf6bd5866c84f588353711d131ab1a"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/99a0efba9f903acbdece548862b6b4cbe7d999e1"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/df63321a40cc98e52313cffbff376b8ae9ceffa7"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/eedd054834930b8d678f0776cd4b091b8fffbb4a"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
          },
          {
            "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
            "url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html"
          },
          {
            "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
            "url": "https://cert-portal.siemens.com/productcert/html/ssa-457936.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": "Low",
      "current_release_date": "2026-10-20T18:17:25+00:00",
      "cve": "CVE-2025-22095",
      "id": "CVE-2025-22095",
      "initial_release_date": "2025-04-16T00:00:00+00:00",
      "product_status:known_not_affected": "275",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: PCI: brcmstb: Fix error path after a call to regulator_bulk_get()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-22095.json",
      "version": "3"
    }
  }
}



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