CVE-2025-40161 (GCVE-0-2025-40161)

Vulnerability from cvelistv5 – Published: 2025-11-12 10:24 – Updated: 2026-05-11 21:43
VLAI
Title
mailbox: zynqmp-ipi: Fix SGI cleanup on unbind
Summary
In the Linux kernel, the following vulnerability has been resolved: mailbox: zynqmp-ipi: Fix SGI cleanup on unbind The driver incorrectly determines SGI vs SPI interrupts by checking IRQ number < 16, which fails with dynamic IRQ allocation. During unbind, this causes improper SGI cleanup leading to kernel crash. Add explicit irq_type field to pdata for reliable identification of SGI interrupts (type-2) and only clean up SGI resources when appropriate.
Severity
No CVSS data available.
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 6856 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 6ffb1635341bec50fa9540ae7827d1e5d75ae0b0 , < 1ee147efee68be00203b1fee6479911debb1edb2 (git)
Affected: 6ffb1635341bec50fa9540ae7827d1e5d75ae0b0 , < 32bf7c6e01f5ba17a53ba236a770bd0274cefdf4 (git)
Affected: 6ffb1635341bec50fa9540ae7827d1e5d75ae0b0 , < bb160e791ab15b89188a7a19589b8e11f681bef3 (git)
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Linux Linux Affected: 6.10
Unaffected: 0 , < 6.10 (semver)
Unaffected: 6.12.54 , ≤ 6.12.* (semver)
Unaffected: 6.17.4 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
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        {
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          "product": "Linux",
          "programFiles": [
            "drivers/mailbox/zynqmp-ipi-mailbox.c"
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              ],
              "negate": false,
              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmailbox: zynqmp-ipi: Fix SGI cleanup on unbind\n\nThe driver incorrectly determines SGI vs SPI interrupts by checking IRQ\nnumber \u003c 16, which fails with dynamic IRQ allocation. During unbind,\nthis causes improper SGI cleanup leading to kernel crash.\n\nAdd explicit irq_type field to pdata for reliable identification of SGI\ninterrupts (type-2) and only clean up SGI resources when appropriate."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T21:43:55.108Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/1ee147efee68be00203b1fee6479911debb1edb2"
        },
        {
          "url": "https://git.kernel.org/stable/c/32bf7c6e01f5ba17a53ba236a770bd0274cefdf4"
        },
        {
          "url": "https://git.kernel.org/stable/c/bb160e791ab15b89188a7a19589b8e11f681bef3"
        }
      ],
      "title": "mailbox: zynqmp-ipi: Fix SGI cleanup on unbind",
      "x_generator": {
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-40161",
    "datePublished": "2025-11-12T10:24:36.696Z",
    "dateReserved": "2025-04-16T07:20:57.176Z",
    "dateUpdated": "2026-05-11T21:43:55.108Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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      "date": "2026-10-21",
      "epss": "0.00197",
      "percentile": "0.08899"
    },
    "nvd": {
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                "product": "Linux",
                "programFiles": [
                  "drivers/mailbox/zynqmp-ipi-mailbox.c"
                ],
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                ],
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            ],
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          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmailbox: zynqmp-ipi: Fix SGI cleanup on unbind\n\nThe driver incorrectly determines SGI vs SPI interrupts by checking IRQ\nnumber \u003c 16, which fails with dynamic IRQ allocation. During unbind,\nthis causes improper SGI cleanup leading to kernel crash.\n\nAdd explicit irq_type field to pdata for reliable identification of SGI\ninterrupts (type-2) and only clean up SGI resources when appropriate."
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nmailbox: zynqmp-ipi: Correcci\u00f3n de la limpieza de SGI al desvincular\n\nEl controlador determina incorrectamente las interrupciones SGI frente a SPI al comprobar que el n\u00famero de IRQ es inferior a 16, lo que falla con la asignaci\u00f3n din\u00e1mica de IRQ. Durante la desvinculaci\u00f3n, esto provoca una limpieza incorrecta de SGI, provocando un fallo del kernel.\n\nSe a\u00f1ade un campo \u201cirq_type\u201d expl\u00edcito a \u201cpdata\u201d para la identificaci\u00f3n fiable de las interrupciones SGI (tipo 2) y solo se limpian los recursos SGI cuando es apropiado."
          }
        ],
        "id": "CVE-2025-40161",
        "lastModified": "2026-10-19T21:10:00.160",
        "metrics": {},
        "published": "2025-11-12T11:15:46.233",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/1ee147efee68be00203b1fee6479911debb1edb2"
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            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/32bf7c6e01f5ba17a53ba236a770bd0274cefdf4"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/bb160e791ab15b89188a7a19589b8e11f681bef3"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Deferred"
      }
    },
    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-30T10:27:25+00:00",
      "cve": "CVE-2025-40161",
      "id": "CVE-2025-40161",
      "initial_release_date": "2025-11-12T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: mailbox: zynqmp-ipi: Fix SGI cleanup on unbind",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-40161.json",
      "version": "3"
    }
  }
}



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