Vulnerability-Lookup

FKIE_CVE-2022-50087

Vulnerability from fkie_nvd - Published: 2025-06-18 11:15 - Updated: 2026-08-04 10:18

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails When scpi probe fails, at any point, we need to ensure that the scpi_info is not set and will remain NULL until the probe succeeds. If it is not taken care, then it could result use-after-free as the value is exported via get_scpi_ops() and could refer to a memory allocated via devm_kzalloc() but freed when the probe fails.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/08272646cd7c310642c39b7f54348fddd7987643	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/0c29e149b6bb498778ed8a1c9597b51acfba7856	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/18048cba444a7c41dbf42c180d6b46606fc24c51	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/4f2d7b46d6b53c07f44a4f8f8f4438888f0e9e87	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/5aa558232edc30468d1f35108826dd5b3ffe978f	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/689640efc0a2c4e07e6f88affe6d42cd40cc3f85	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/87c4896d5dd7fd9927c814cf3c6289f41de3b562	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/firmware/arm_scpi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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              "status": "affected",
              "version": "8cb7cf56c9fe5412de238465b27ef35b4d2801aa",
              "versionType": "git"
            },
            {
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              "status": "affected",
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              "versionType": "git"
            },
            {
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            },
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            },
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          ],
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          "vendor": "Linux",
          "versions": [
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              "version": "4.4"
            },
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              "status": "unaffected",
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              "versionType": "semver"
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              "version": "5.4.211",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "5.10.137",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "5.15.61",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "5.18.18",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "5.19.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails\n\nWhen scpi probe fails, at any point, we need to ensure that the scpi_info\nis not set and will remain NULL until the probe succeeds. If it is not\ntaken care, then it could result use-after-free as the value is exported\nvia get_scpi_ops() and could refer to a memory allocated via devm_kzalloc()\nbut freed when the probe fails."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: firmware: arm_scpi: Asegurarse de que scpi_info no se asigne si la sonda falla. Cuando la sonda scpi falla, en cualquier momento, debemos asegurarnos de que scpi_info no est\u00e9 configurado y permanezca nulo hasta que la sonda tenga \u00e9xito. Si no se soluciona, podr\u00eda producirse un error de Use-After-Free, ya que el valor se exporta mediante get_scpi_ops() y podr\u00eda hacer referencia a una memoria asignada mediante devm_kzalloc(), pero liberada cuando la sonda falla."
    }
  ],
  "id": "CVE-2022-50087",
  "lastModified": "2026-08-04T10:18:04.620",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
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          "confidentialityImpact": "HIGH",
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          "timestamp": "2026-06-10T20:41:34.847637Z",
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  "vulnStatus": "Modified",
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      "type": "Primary"
    }
  ]
}

CVE-2022-50087 (GCVE-0-2022-50087)

Vulnerability from cvelistv5 – Published: 2025-06-18 11:02 – Updated: 2026-08-05 08:57

Title

firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails

Summary

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: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-10 20:41 UTC

Assigner

Linux mitre root Scorecard

References

7 references

URL	Tags
https://git.kernel.org/stable/c/5aa558232edc30468…
https://git.kernel.org/stable/c/18048cba444a7c41d…
https://git.kernel.org/stable/c/08272646cd7c31064…
https://git.kernel.org/stable/c/0c29e149b6bb49877…
https://git.kernel.org/stable/c/87c4896d5dd7fd992…
https://git.kernel.org/stable/c/4f2d7b46d6b53c07f…
https://git.kernel.org/stable/c/689640efc0a2c4e07…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 8cb7cf56c9fe5412de238465b27ef35b4d2801aa , < 5aa558232edc30468d1f35108826dd5b3ffe978f (git) Affected: 8cb7cf56c9fe5412de238465b27ef35b4d2801aa , < 18048cba444a7c41dbf42c180d6b46606fc24c51 (git) Affected: 8cb7cf56c9fe5412de238465b27ef35b4d2801aa , < 08272646cd7c310642c39b7f54348fddd7987643 (git) Affected: 8cb7cf56c9fe5412de238465b27ef35b4d2801aa , < 0c29e149b6bb498778ed8a1c9597b51acfba7856 (git) Affected: 8cb7cf56c9fe5412de238465b27ef35b4d2801aa , < 87c4896d5dd7fd9927c814cf3c6289f41de3b562 (git) Affected: 8cb7cf56c9fe5412de238465b27ef35b4d2801aa , < 4f2d7b46d6b53c07f44a4f8f8f4438888f0e9e87 (git) Affected: 8cb7cf56c9fe5412de238465b27ef35b4d2801aa , < 689640efc0a2c4e07e6f88affe6d42cd40cc3f85 (git)
Linux	Linux	Affected: 4.4 Unaffected: 0 , < 4.4 (semver) Unaffected: 4.19.256 , ≤ 4.19.* (semver) Unaffected: 5.4.211 , ≤ 5.4.* (semver) Unaffected: 5.10.137 , ≤ 5.10.* (semver) Unaffected: 5.15.61 , ≤ 5.15.* (semver) Unaffected: 5.18.18 , ≤ 5.18.* (semver) Unaffected: 5.19.2 , ≤ 5.19.* (semver) Unaffected: 6.0 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-50087",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-10T20:41:34.847637Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-11T18:44:13.909Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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          "product": "Linux",
          "programFiles": [
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              "status": "unaffected",
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              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "5.19.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.0",
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.19.2",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails\n\nWhen scpi probe fails, at any point, we need to ensure that the scpi_info\nis not set and will remain NULL until the probe succeeds. If it is not\ntaken care, then it could result use-after-free as the value is exported\nvia get_scpi_ops() and could refer to a memory allocated via devm_kzalloc()\nbut freed when the probe fails."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The bug is in the ARM SCPI platform firmware driver (mailbox/shared-memory to the on-SoC SCP), reached during local driver probe and consumer deferred probes (scpi-hwmon/clk/cpufreq/pm-domain), not via network or adjacent protocols.\nAC:L - Any probe failure after early assignment of global scpi_info (including common -EPROBE_DEFER when the mailbox is not ready, or SCP firmware/capability failure) deterministically leaves a dangling pointer that get_scpi_ops() consumers then use; the attacker does not need a hard-to-influence race.\nPR:L - The UAF is hit from in-kernel deferred probe of SCPI consumers without CAP_SYS_ADMIN/sysfs bind, so a normal local unprivileged user context on an affected ARM SCPI system is sufficient for the highest-severity exploitation model (heap spray against the freed scpi_drvinfo).\nUI:N - No victim action is required; probe failure and subsequent get_scpi_ops() use occur automatically during boot/deferred probing.\nS:U - Impact remains within the kernel\u2019s security authority (local privilege escalation/DoS via kernel UAF); it does not cross a VM, IOMMU, or other separate security boundary.\nC:H - This is a use-after-free of scpi_drvinfo exported through get_scpi_ops(); with heap reuse the attacker can control the returned scpi_ops and adjacent state, enabling arbitrary kernel reads.\nI:H - UAF of the ops/channel state enables forged function pointers and writes through SCPI ops (clocks, DVFS, power, sensors), so integrity impact includes control-flow hijacking and arbitrary modification.\nA:H - The reported crash is a kernel oops/NULL instruction abort in scpi_hwmon_probe via the dangling scpi_info, and UAFs generally cause panics even when not fully exploited."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T08:57:21.727Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/5aa558232edc30468d1f35108826dd5b3ffe978f"
        },
        {
          "url": "https://git.kernel.org/stable/c/18048cba444a7c41dbf42c180d6b46606fc24c51"
        },
        {
          "url": "https://git.kernel.org/stable/c/08272646cd7c310642c39b7f54348fddd7987643"
        },
        {
          "url": "https://git.kernel.org/stable/c/0c29e149b6bb498778ed8a1c9597b51acfba7856"
        },
        {
          "url": "https://git.kernel.org/stable/c/87c4896d5dd7fd9927c814cf3c6289f41de3b562"
        },
        {
          "url": "https://git.kernel.org/stable/c/4f2d7b46d6b53c07f44a4f8f8f4438888f0e9e87"
        },
        {
          "url": "https://git.kernel.org/stable/c/689640efc0a2c4e07e6f88affe6d42cd40cc3f85"
        }
      ],
      "title": "firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50087",
    "datePublished": "2025-06-18T11:02:28.079Z",
    "dateReserved": "2025-06-18T10:57:27.410Z",
    "dateUpdated": "2026-08-05T08:57:21.727Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Action not permitted

FKIE_CVE-2022-50087

CVE-2022-50087 (GCVE-0-2022-50087)

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