fkie_cve-2021-47165
Vulnerability from fkie_nvd
Published
2024-03-25 10:15
Modified
2025-03-03 17:46
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: drm/meson: fix shutdown crash when component not probed When main component is not probed, by example when the dw-hdmi module is not loaded yet or in probe defer, the following crash appears on shutdown: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000038 ... pc : meson_drv_shutdown+0x24/0x50 lr : platform_drv_shutdown+0x20/0x30 ... Call trace: meson_drv_shutdown+0x24/0x50 platform_drv_shutdown+0x20/0x30 device_shutdown+0x158/0x360 kernel_restart_prepare+0x38/0x48 kernel_restart+0x18/0x68 __do_sys_reboot+0x224/0x250 __arm64_sys_reboot+0x24/0x30 ... Simply check if the priv struct has been allocated before using it.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 5.13
linux linux_kernel 5.13
linux linux_kernel 5.13


To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/meson: fix shutdown crash when component not probed\n\nWhen main component is not probed, by example when the dw-hdmi module is\nnot loaded yet or in probe defer, the following crash appears on shutdown:\n\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000038\n...\npc : meson_drv_shutdown+0x24/0x50\nlr : platform_drv_shutdown+0x20/0x30\n...\nCall trace:\nmeson_drv_shutdown+0x24/0x50\nplatform_drv_shutdown+0x20/0x30\ndevice_shutdown+0x158/0x360\nkernel_restart_prepare+0x38/0x48\nkernel_restart+0x18/0x68\n__do_sys_reboot+0x224/0x250\n__arm64_sys_reboot+0x24/0x30\n...\n\nSimply check if the priv struct has been allocated before using it."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: drm/meson: corrige el fallo de apagado cuando el componente no se prueba Cuando el componente principal no se prueba, por ejemplo, cuando el m\u00f3dulo dw-hdmi a\u00fan no est\u00e1 cargado o en el aplazamiento de la prueba, se produce el siguiente fallo aparece al apagar: No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual 0000000000000038... pc: meson_drv_shutdown+0x24/0x50 lr: platform_drv_shutdown+0x20/0x30... Rastreo de llamadas: meson_drv_shutdown+0x24/0x50 platform_drv_shutdown+0x20/0x3 0 dispositivo_apagado+ 0x158/0x360 kernel_restart_prepare+0x38/0x48 kernel_restart+0x18/0x68 __do_sys_reboot+0x224/0x250 __arm64_sys_reboot+0x24/0x30... Simplemente verifique si la estructura priv se ha asignado antes de usarla."
    }
  ],
  "id": "CVE-2021-47165",
  "lastModified": "2025-03-03T17:46:31.550",
  "metrics": {
    "cvssMetricV31": [
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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"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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  "published": "2024-03-25T10:15:08.620",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-476"
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      "source": "nvd@nist.gov",
      "type": "Primary"
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}


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