CVE-2025-40136 (GCVE-0-2025-40136)

Vulnerability from cvelistv5 – Published: 2025-11-12 10:23 – Updated: 2026-10-21 12:37
VLAI
Title
crypto: hisilicon/qm - request reserved interrupt for virtual function
Summary
In the Linux kernel, the following vulnerability has been resolved: crypto: hisilicon/qm - request reserved interrupt for virtual function The device interrupt vector 3 is an error interrupt for physical function and a reserved interrupt for virtual function. However, the driver has not registered the reserved interrupt for virtual function. When allocating interrupts, the number of interrupts is allocated based on powers of two, which includes this interrupt. When the system enables GICv4 and the virtual function passthrough to the virtual machine, releasing the interrupt in the driver triggers a warning. The WARNING report is: WARNING: CPU: 62 PID: 14889 at arch/arm64/kvm/vgic/vgic-its.c:852 its_free_ite+0x94/0xb4 Therefore, register a reserved interrupt for VF and set the IRQF_NO_AUTOEN flag to avoid that warning.
Severity
No CVSS data available.
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 6843 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 3536cc55cadaf2a03241915f9cfdaf6cd073e4fe , < 5f75857ed634d04266301d7a4f695a7deeb9bfdc (git)
Affected: 3536cc55cadaf2a03241915f9cfdaf6cd073e4fe , < 24315474ca913c0693939ab74b389ee04c7d3020 (git)
Affected: 3536cc55cadaf2a03241915f9cfdaf6cd073e4fe , < 854da2b0df1654d63963d587b12fec6068d89643 (git)
Affected: 3536cc55cadaf2a03241915f9cfdaf6cd073e4fe , < 9228facb308157ac0bdd264b873187896f7a9c7a (git)
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Linux Linux Affected: 6.1
Unaffected: 0 , < 6.1 (semver)
Unaffected: 6.6.160 , ≤ 6.6.* (semver)
Unaffected: 6.12.114 , ≤ 6.12.* (semver)
Unaffected: 6.17.3 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/crypto/hisilicon/qm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "5f75857ed634d04266301d7a4f695a7deeb9bfdc",
              "status": "affected",
              "version": "3536cc55cadaf2a03241915f9cfdaf6cd073e4fe",
              "versionType": "git"
            },
            {
              "lessThan": "24315474ca913c0693939ab74b389ee04c7d3020",
              "status": "affected",
              "version": "3536cc55cadaf2a03241915f9cfdaf6cd073e4fe",
              "versionType": "git"
            },
            {
              "lessThan": "854da2b0df1654d63963d587b12fec6068d89643",
              "status": "affected",
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              "versionType": "git"
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              "versionType": "git"
            }
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          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/crypto/hisilicon/qm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.1"
            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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              "status": "unaffected",
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              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.12.114",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "6.17.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.160",
                  "versionStartIncluding": "6.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.114",
                  "versionStartIncluding": "6.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.17.3",
                  "versionStartIncluding": "6.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18",
                  "versionStartIncluding": "6.1",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: hisilicon/qm - request reserved interrupt for virtual function\n\nThe device interrupt vector 3 is an error interrupt for\nphysical function and a reserved interrupt for virtual function.\nHowever, the driver has not registered the reserved interrupt for\nvirtual function. When allocating interrupts, the number of interrupts\nis allocated based on powers of two, which includes this interrupt.\nWhen the system enables GICv4 and the virtual function passthrough\nto the virtual machine, releasing the interrupt in the driver\ntriggers a warning.\n\nThe WARNING report is:\nWARNING: CPU: 62 PID: 14889 at arch/arm64/kvm/vgic/vgic-its.c:852 its_free_ite+0x94/0xb4\n\nTherefore, register a reserved interrupt for VF and set the\nIRQF_NO_AUTOEN flag to avoid that warning."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-21T12:37:49.467Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/5f75857ed634d04266301d7a4f695a7deeb9bfdc"
        },
        {
          "url": "https://git.kernel.org/stable/c/24315474ca913c0693939ab74b389ee04c7d3020"
        },
        {
          "url": "https://git.kernel.org/stable/c/854da2b0df1654d63963d587b12fec6068d89643"
        },
        {
          "url": "https://git.kernel.org/stable/c/9228facb308157ac0bdd264b873187896f7a9c7a"
        }
      ],
      "title": "crypto: hisilicon/qm - request reserved interrupt for virtual function",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-40136",
    "datePublished": "2025-11-12T10:23:23.330Z",
    "dateReserved": "2025-04-16T07:20:57.171Z",
    "dateUpdated": "2026-10-21T12:37:49.467Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-40136",
      "date": "2026-10-22",
      "epss": "0.00247",
      "percentile": "0.15058"
    },
    "microsoft_vex": {
      "current_release_date": "2025-11-25T01:40:44.000Z",
      "cve": "CVE-2025-40136",
      "id": "msrc_CVE-2025-40136",
      "initial_release_date": "2025-11-02T00:00:00.000Z",
      "product_status:known_not_affected": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "crypto: hisilicon/qm - request reserved interrupt for virtual function",
      "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-40136.json",
      "version": "2"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Linux",
                "programFiles": [
                  "drivers/crypto/hisilicon/qm.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
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                    "versionType": "git"
                  },
                  {
                    "lessThan": "24315474ca913c0693939ab74b389ee04c7d3020",
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                    "versionType": "git"
                  },
                  {
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                    "versionType": "git"
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                    "versionType": "git"
                  }
                ]
              },
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                "programFiles": [
                  "drivers/crypto/hisilicon/qm.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "status": "affected",
                    "version": "6.1"
                  },
                  {
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                    "status": "unaffected",
                    "version": "0",
                    "versionType": "semver"
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                  {
                    "lessThanOrEqual": "6.6.*",
                    "status": "unaffected",
                    "version": "6.6.160",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.12.*",
                    "status": "unaffected",
                    "version": "6.12.114",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.17.*",
                    "status": "unaffected",
                    "version": "6.17.3",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "*",
                    "status": "unaffected",
                    "version": "6.18",
                    "versionType": "original_commit_for_fix"
                  }
                ]
              }
            ],
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: hisilicon/qm - request reserved interrupt for virtual function\n\nThe device interrupt vector 3 is an error interrupt for\nphysical function and a reserved interrupt for virtual function.\nHowever, the driver has not registered the reserved interrupt for\nvirtual function. When allocating interrupts, the number of interrupts\nis allocated based on powers of two, which includes this interrupt.\nWhen the system enables GICv4 and the virtual function passthrough\nto the virtual machine, releasing the interrupt in the driver\ntriggers a warning.\n\nThe WARNING report is:\nWARNING: CPU: 62 PID: 14889 at arch/arm64/kvm/vgic/vgic-its.c:852 its_free_ite+0x94/0xb4\n\nTherefore, register a reserved interrupt for VF and set the\nIRQF_NO_AUTOEN flag to avoid that warning."
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ncripto: hisilicon/qm - solicitar interrupci\u00f3n reservada para funci\u00f3n virtual\n\nEl vector de interrupci\u00f3n 3 del dispositivo es una interrupci\u00f3n de error para la funci\u00f3n f\u00edsica y una interrupci\u00f3n reservada para la funci\u00f3n virtual. Sin embargo, el controlador no ha registrado la interrupci\u00f3n reservada para la funci\u00f3n virtual. Al asignar interrupciones, el n\u00famero de interrupciones se asigna bas\u00e1ndose en potencias de dos, lo que incluye esta interrupci\u00f3n. Cuando el sistema habilita GICv4 y el passthrough de funci\u00f3n virtual a la m\u00e1quina virtual, liberar la interrupci\u00f3n en el controlador activa una advertencia.\n\nEl informe de ADVERTENCIA es:\nADVERTENCIA: CPU: 62 PID: 14889 en arch/arm64/kvm/vgic/vgic-its.c:852 its_free_ite+0x94/0xb4\n\nPor lo tanto, registrar una interrupci\u00f3n reservada para VF y establecer la bandera IRQF_NO_AUTOEN para evitar esa advertencia."
          }
        ],
        "id": "CVE-2025-40136",
        "lastModified": "2026-10-21T13:18:19.207",
        "metrics": {},
        "published": "2025-11-12T11:15:43.327",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/24315474ca913c0693939ab74b389ee04c7d3020"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/5f75857ed634d04266301d7a4f695a7deeb9bfdc"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/854da2b0df1654d63963d587b12fec6068d89643"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/9228facb308157ac0bdd264b873187896f7a9c7a"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Deferred"
      }
    },
    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-30T10:13:28+00:00",
      "cve": "CVE-2025-40136",
      "id": "CVE-2025-40136",
      "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: crypto: hisilicon/qm - request reserved interrupt for virtual function",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-40136.json",
      "version": "3"
    }
  }
}



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