CVE-2024-57985 (GCVE-0-2024-57985)

Vulnerability from cvelistv5 – Published: 2025-02-27 02:07 – Updated: 2026-05-11 21:01
VLAI
Title
firmware: qcom: scm: Cleanup global '__scm' on probe failures
Summary
In the Linux kernel, the following vulnerability has been resolved: firmware: qcom: scm: Cleanup global '__scm' on probe failures If SCM driver fails the probe, it should not leave global '__scm' variable assigned, because external users of this driver will assume the probe finished successfully. For example TZMEM parts ('__scm->mempool') are initialized later in the probe, but users of it (__scm_smc_call()) rely on the '__scm' variable. This fixes theoretical NULL pointer exception, triggered via introducing probe deferral in SCM driver with call trace: qcom_tzmem_alloc+0x70/0x1ac (P) qcom_tzmem_alloc+0x64/0x1ac (L) qcom_scm_assign_mem+0x78/0x194 qcom_rmtfs_mem_probe+0x2d4/0x38c platform_probe+0x68/0xc8
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 40289e35ca525f29a03989352ab207b6a9675475 , < 390d3baeba51a126f75c97b90ec28b9384ce4b84 (git)
Affected: 40289e35ca525f29a03989352ab207b6a9675475 , < faf1715798fe72b79e4432ce8c6d03ca69765425 (git)
Affected: 40289e35ca525f29a03989352ab207b6a9675475 , < 1e76b546e6fca7eb568161f408133904ca6bcf4f (git)
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Linux Linux Affected: 6.11
Unaffected: 0 , < 6.11 (semver)
Unaffected: 6.12.13 , ≤ 6.12.* (semver)
Unaffected: 6.13.2 , ≤ 6.13.* (semver)
Unaffected: 6.14 , ≤ * (original_commit_for_fix)
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{
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          "programFiles": [
            "drivers/firmware/qcom/qcom_scm.c"
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    "cveId": "CVE-2024-57985",
    "datePublished": "2025-02-27T02:07:09.983Z",
    "dateReserved": "2025-02-27T02:04:28.913Z",
    "dateUpdated": "2026-05-11T21:01:34.413Z",
    "state": "PUBLISHED"
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For example TZMEM parts (\u0027__scm-\u003emempool\u0027)\\nare initialized later in the probe, but users of it (__scm_smc_call())\\nrely on the \u0027__scm\u0027 variable.\\n\\nThis fixes theoretical NULL pointer exception, triggered via introducing\\nprobe deferral in SCM driver with call trace:\\n\\n  qcom_tzmem_alloc+0x70/0x1ac (P)\\n  qcom_tzmem_alloc+0x64/0x1ac (L)\\n  qcom_scm_assign_mem+0x78/0x194\\n  qcom_rmtfs_mem_probe+0x2d4/0x38c\\n  platform_probe+0x68/0xc8\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: firmware: qcom: scm: Limpieza de la variable global \u0027__scm\u0027 en caso de fallos en la sonda Si el controlador SCM hace que la sonda falle, no deber\u00eda dejar asignada la variable global \u0027__scm\u0027, porque los usuarios externos de este controlador asumir\u00e1n que la sonda finaliz\u00f3 correctamente. 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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-29T22:59:39+00:00",
      "cve": "CVE-2024-57985",
      "id": "CVE-2024-57985",
      "initial_release_date": "2024-01-01T00:00:00+00:00",
      "product_status:known_affected": "184",
      "product_status:known_not_affected": "90",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: firmware: qcom: scm: Cleanup global \u0027__scm\u0027 on probe failures",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-57985.json",
      "version": "3"
    }
  }
}



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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.

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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.


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