FKIE_CVE-2024-27002

Vulnerability from fkie_nvd - Published: 2024-05-01 06:15 - Updated: 2025-11-04 18:16
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: Do a runtime PM get on controllers during probe mt8183-mfgcfg has a mutual dependency with genpd during the probing stage, which leads to a deadlock in the following call stack: CPU0: genpd_lock --> clk_prepare_lock genpd_power_off_work_fn() genpd_lock() generic_pm_domain::power_off() clk_unprepare() clk_prepare_lock() CPU1: clk_prepare_lock --> genpd_lock clk_register() __clk_core_init() clk_prepare_lock() clk_pm_runtime_get() genpd_lock() Do a runtime PM get at the probe function to make sure clk_register() won't acquire the genpd lock. Instead of only modifying mt8183-mfgcfg, do this on all mediatek clock controller probings because we don't believe this would cause any regression. Verified on MT8183 and MT8192 Chromebooks.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/165d226472575b213dd90dfda19d1605dd7c19a8Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2f7b1d8b5505efb0057cd1ab85fca206063ea4c3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b62ed25feb342eab052822eff0c554873799a4f5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c0dcd5c072e2a3fff886f673e6a5d9bf8090c4ccPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/165d226472575b213dd90dfda19d1605dd7c19a8Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2f7b1d8b5505efb0057cd1ab85fca206063ea4c3Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b62ed25feb342eab052822eff0c554873799a4f5Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c0dcd5c072e2a3fff886f673e6a5d9bf8090c4ccPatch
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EZ6PJW7VOZ224TD7N4JZNU6KV32ZJ53/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DAMSOZXJEPUOXW33WZYWCVAY7Z5S7OOY/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCBZZEC7L7KTWWAS2NLJK6SO3IZIL4WW/
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.9
linux linux_kernel 6.9
linux linux_kernel 6.9
linux linux_kernel 6.9
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nclk: mediatek: Do a runtime PM get on controllers during probe\n\nmt8183-mfgcfg has a mutual dependency with genpd during the probing\nstage, which leads to a deadlock in the following call stack:\n\nCPU0:  genpd_lock --\u003e clk_prepare_lock\ngenpd_power_off_work_fn()\n genpd_lock()\n generic_pm_domain::power_off()\n    clk_unprepare()\n      clk_prepare_lock()\n\nCPU1: clk_prepare_lock --\u003e genpd_lock\nclk_register()\n  __clk_core_init()\n    clk_prepare_lock()\n    clk_pm_runtime_get()\n      genpd_lock()\n\nDo a runtime PM get at the probe function to make sure clk_register()\nwon\u0027t acquire the genpd lock. Instead of only modifying mt8183-mfgcfg,\ndo this on all mediatek clock controller probings because we don\u0027t\nbelieve this would cause any regression.\n\nVerified on MT8183 and MT8192 Chromebooks."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: clk: mediatek: realice un PM en tiempo de ejecuci\u00f3n en los controladores durante la prueba mt8183-mfgcfg tiene una dependencia mutua con genpd durante la etapa de prueba, lo que conduce a un punto muerto en la siguiente pila de llamadas: CPU0: genpd_lock --\u0026gt; clk_prepare_lock genpd_power_off_work_fn() genpd_lock() generic_pm_domain::power_off() clk_unprepare() clk_prepare_lock() CPU1: clk_prepare_lock --\u0026gt; genpd_lock clk_register() __clk_core_init() clk_prepare_lock() clk_pm_runtime_get() genpd_lock() Hacer un tiempo de ejecuci\u00f3n PM acceda a la funci\u00f3n de sonda para asegurarse de que clk_register() no adquiera el bloqueo genpd. En lugar de modificar \u00fanicamente mt8183-mfgcfg, haga esto en todas las pruebas del controlador de reloj mediatek porque no creemos que esto cause ninguna regresi\u00f3n. Verificado en Chromebooks MT8183 y MT8192."
    }
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  "id": "CVE-2024-27002",
  "lastModified": "2025-11-04T18:16:09.517",
  "metrics": {
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        "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"
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        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
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  "published": "2024-05-01T06:15:18.437",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
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}


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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.
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