FKIE_CVE-2024-36944

Vulnerability from fkie_nvd - Published: 2024-05-30 16:15 - Updated: 2025-04-01 18:35
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: Reapply "drm/qxl: simplify qxl_fence_wait" This reverts commit 07ed11afb68d94eadd4ffc082b97c2331307c5ea. Stephen Rostedt reports: "I went to run my tests on my VMs and the tests hung on boot up. Unfortunately, the most I ever got out was: [ 93.607888] Testing event system initcall: OK [ 93.667730] Running tests on all trace events: [ 93.669757] Testing all events: OK [ 95.631064] ------------[ cut here ]------------ Timed out after 60 seconds" and further debugging points to a possible circular locking dependency between the console_owner locking and the worker pool locking. Reverting the commit allows Steve's VM to boot to completion again. [ This may obviously result in the "[TTM] Buffer eviction failed" messages again, which was the reason for that original revert. But at this point this seems preferable to a non-booting system... ]
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/148ed8b4d64f94ab079c8f0d88c3f444db97ba97Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3628e0383dd349f02f882e612ab6184e4bb3dc10Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3dfe35d8683daf9ba69278643efbabe40000bbf6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4a89ac4b0921c4ea21eb1b4cf3a469a91bacfceaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b548c53bc3ab83dc6fc86c8e840f013b2032267aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/148ed8b4d64f94ab079c8f0d88c3f444db97ba97Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3628e0383dd349f02f882e612ab6184e4bb3dc10Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3dfe35d8683daf9ba69278643efbabe40000bbf6Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4a89ac4b0921c4ea21eb1b4cf3a469a91bacfceaPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b548c53bc3ab83dc6fc86c8e840f013b2032267aPatch
Impacted products
Vendor Product Version
linux linux_kernel *
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
linux linux_kernel 6.9
linux linux_kernel 6.9
linux linux_kernel 6.9
To clipboard 

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    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nReapply \"drm/qxl: simplify qxl_fence_wait\"\n\nThis reverts commit 07ed11afb68d94eadd4ffc082b97c2331307c5ea.\n\nStephen Rostedt reports:\n \"I went to run my tests on my VMs and the tests hung on boot up.\n  Unfortunately, the most I ever got out was:\n\n  [   93.607888] Testing event system initcall: OK\n  [   93.667730] Running tests on all trace events:\n  [   93.669757] Testing all events: OK\n  [   95.631064] ------------[ cut here ]------------\n  Timed out after 60 seconds\"\n\nand further debugging points to a possible circular locking dependency\nbetween the console_owner locking and the worker pool locking.\n\nReverting the commit allows Steve\u0027s VM to boot to completion again.\n\n[ This may obviously result in the \"[TTM] Buffer eviction failed\"\n  messages again, which was the reason for that original revert. But at\n  this point this seems preferable to a non-booting system... ]"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: Vuelva a aplicar \"drm/qxl: simplificar qxl_fence_wait\" Esto revierte el commit 07ed11afb68d94eadd4ffc082b97c2331307c5ea. Stephen Rostedt informa: \"Fui a ejecutar mis pruebas en mis m\u00e1quinas virtuales y las pruebas se colgaron al arrancar. Desafortunadamente, lo m\u00e1ximo que obtuve fue: [ 93.607888] Probando evento de initcall del sistema: OK [ 93.667730] Ejecutando pruebas en todos los eventos de seguimiento : [93.669757] Probando todos los eventos: OK [95.631064] ------------[ cortar aqu\u00ed ]------------ Se agot\u00f3 el tiempo de espera despu\u00e9s de 60 segundos\" y m\u00e1s puntos de depuraci\u00f3n a una posible dependencia de bloqueo circular entre el bloqueo del propietario de la consola y el bloqueo del grupo de trabajadores. Revertir el commit permite que la m\u00e1quina virtual de Steve se inicie nuevamente. [Obviamente, esto puede provocar que aparezcan nuevamente los mensajes \"[TTM] Error en el desalojo del b\u00fafer\", que fue el motivo de la reversi\u00f3n original. Pero en este punto esto parece preferible a un sistema sin arranque...]"
    }
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  "id": "CVE-2024-36944",
  "lastModified": "2025-04-01T18:35:48.893",
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          "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",
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
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  "published": "2024-05-30T16:15:17.387",
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          "value": "CWE-667"
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      "source": "nvd@nist.gov",
      "type": "Primary"
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}


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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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  • 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.
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