cve-2024-27002
Vulnerability from cvelistv5
Published
2024-05-01 05:28
Modified
2024-11-05 09:19
Severity ?
Summary
clk: mediatek: Do a runtime PM get on controllers during probe
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/165d226472575b213dd90dfda19d1605dd7c19a8
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2f7b1d8b5505efb0057cd1ab85fca206063ea4c3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b62ed25feb342eab052822eff0c554873799a4f5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c0dcd5c072e2a3fff886f673e6a5d9bf8090c4cc
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/165d226472575b213dd90dfda19d1605dd7c19a8
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2f7b1d8b5505efb0057cd1ab85fca206063ea4c3
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b62ed25feb342eab052822eff0c554873799a4f5
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c0dcd5c072e2a3fff886f673e6a5d9bf8090c4cc
Impacted products
Vendor Product Version
Linux Linux Version: 5.2
Show details on NVD website

To clipboard 

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        "metrics": [
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                "id": "CVE-2024-27002",
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          "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."
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    "cveId": "CVE-2024-27002",
    "datePublished": "2024-05-01T05:28:44.902Z",
    "dateReserved": "2024-02-19T14:20:24.207Z",
    "dateUpdated": "2024-11-05T09:19:43.967Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-27002\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-01T06:15:18.437\",\"lastModified\":\"2024-11-21T09:03:35.720\",\"vulnStatus\":\"Awaiting Analysis\",\"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.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/165d226472575b213dd90dfda19d1605dd7c19a8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/2f7b1d8b5505efb0057cd1ab85fca206063ea4c3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b62ed25feb342eab052822eff0c554873799a4f5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c0dcd5c072e2a3fff886f673e6a5d9bf8090c4cc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/165d226472575b213dd90dfda19d1605dd7c19a8\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/2f7b1d8b5505efb0057cd1ab85fca206063ea4c3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/b62ed25feb342eab052822eff0c554873799a4f5\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/c0dcd5c072e2a3fff886f673e6a5d9bf8090c4cc\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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