cve-2023-52632
Vulnerability from cvelistv5
Published
2024-04-02 06:49
Modified
2024-08-02 23:03
Severity ?
Summary
drm/amdkfd: Fix lock dependency warning with srcu
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1556c242e64cdffe58736aa650b0b395854fe4d4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2a9de42e8d3c82c6990d226198602be44f43f340
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/752312f6a79440086ac0f9b08d7776870037323c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b602f098f716723fa5c6c96a486e0afba83b7b94
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

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                "id": "CVE-2023-52632",
                "options": [
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                    "Exploitation": "none"
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                    "Automatable": "no"
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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2024-04-02T14:56:31.643372Z",
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    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/amdkfd/kfd_svm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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          "programFiles": [
            "drivers/gpu/drm/amd/amdkfd/kfd_svm.c"
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "unaffected",
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              "version": "6.6.16",
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              "status": "unaffected",
              "version": "6.8",
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix lock dependency warning with srcu\n\n======================================================\nWARNING: possible circular locking dependency detected\n6.5.0-kfd-yangp #2289 Not tainted\n------------------------------------------------------\nkworker/0:2/996 is trying to acquire lock:\n        (srcu){.+.+}-{0:0}, at: __synchronize_srcu+0x5/0x1a0\n\nbut task is already holding lock:\n        ((work_completion)(\u0026svms-\u003edeferred_list_work)){+.+.}-{0:0}, at:\n\tprocess_one_work+0x211/0x560\n\nwhich lock already depends on the new lock.\n\nthe existing dependency chain (in reverse order) is:\n\n-\u003e #3 ((work_completion)(\u0026svms-\u003edeferred_list_work)){+.+.}-{0:0}:\n        __flush_work+0x88/0x4f0\n        svm_range_list_lock_and_flush_work+0x3d/0x110 [amdgpu]\n        svm_range_set_attr+0xd6/0x14c0 [amdgpu]\n        kfd_ioctl+0x1d1/0x630 [amdgpu]\n        __x64_sys_ioctl+0x88/0xc0\n\n-\u003e #2 (\u0026info-\u003elock#2){+.+.}-{3:3}:\n        __mutex_lock+0x99/0xc70\n        amdgpu_amdkfd_gpuvm_restore_process_bos+0x54/0x740 [amdgpu]\n        restore_process_helper+0x22/0x80 [amdgpu]\n        restore_process_worker+0x2d/0xa0 [amdgpu]\n        process_one_work+0x29b/0x560\n        worker_thread+0x3d/0x3d0\n\n-\u003e #1 ((work_completion)(\u0026(\u0026process-\u003erestore_work)-\u003ework)){+.+.}-{0:0}:\n        __flush_work+0x88/0x4f0\n        __cancel_work_timer+0x12c/0x1c0\n        kfd_process_notifier_release_internal+0x37/0x1f0 [amdgpu]\n        __mmu_notifier_release+0xad/0x240\n        exit_mmap+0x6a/0x3a0\n        mmput+0x6a/0x120\n        do_exit+0x322/0xb90\n        do_group_exit+0x37/0xa0\n        __x64_sys_exit_group+0x18/0x20\n        do_syscall_64+0x38/0x80\n\n-\u003e #0 (srcu){.+.+}-{0:0}:\n        __lock_acquire+0x1521/0x2510\n        lock_sync+0x5f/0x90\n        __synchronize_srcu+0x4f/0x1a0\n        __mmu_notifier_release+0x128/0x240\n        exit_mmap+0x6a/0x3a0\n        mmput+0x6a/0x120\n        svm_range_deferred_list_work+0x19f/0x350 [amdgpu]\n        process_one_work+0x29b/0x560\n        worker_thread+0x3d/0x3d0\n\nother info that might help us debug this:\nChain exists of:\n  srcu --\u003e \u0026info-\u003elock#2 --\u003e (work_completion)(\u0026svms-\u003edeferred_list_work)\n\nPossible unsafe locking scenario:\n\n        CPU0                    CPU1\n        ----                    ----\n        lock((work_completion)(\u0026svms-\u003edeferred_list_work));\n                        lock(\u0026info-\u003elock#2);\n\t\t\tlock((work_completion)(\u0026svms-\u003edeferred_list_work));\n        sync(srcu);"
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        "dateUpdated": "2024-05-29T05:14:45.612Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/2a9de42e8d3c82c6990d226198602be44f43f340"
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      "title": "drm/amdkfd: Fix lock dependency warning with srcu",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-52632",
    "datePublished": "2024-04-02T06:49:10.659Z",
    "dateReserved": "2024-03-06T09:52:12.092Z",
    "dateUpdated": "2024-08-02T23:03:21.262Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2023-52632\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-02T07:15:41.010\",\"lastModified\":\"2024-04-02T12:50:42.233\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amdkfd: Fix lock dependency warning with srcu\\n\\n======================================================\\nWARNING: possible circular locking dependency detected\\n6.5.0-kfd-yangp #2289 Not tainted\\n------------------------------------------------------\\nkworker/0:2/996 is trying to acquire lock:\\n        (srcu){.+.+}-{0:0}, at: __synchronize_srcu+0x5/0x1a0\\n\\nbut task is already holding lock:\\n        ((work_completion)(\u0026svms-\u003edeferred_list_work)){+.+.}-{0:0}, at:\\n\\tprocess_one_work+0x211/0x560\\n\\nwhich lock already depends on the new lock.\\n\\nthe existing dependency chain (in reverse order) is:\\n\\n-\u003e #3 ((work_completion)(\u0026svms-\u003edeferred_list_work)){+.+.}-{0:0}:\\n        __flush_work+0x88/0x4f0\\n        svm_range_list_lock_and_flush_work+0x3d/0x110 [amdgpu]\\n        svm_range_set_attr+0xd6/0x14c0 [amdgpu]\\n        kfd_ioctl+0x1d1/0x630 [amdgpu]\\n        __x64_sys_ioctl+0x88/0xc0\\n\\n-\u003e #2 (\u0026info-\u003elock#2){+.+.}-{3:3}:\\n        __mutex_lock+0x99/0xc70\\n        amdgpu_amdkfd_gpuvm_restore_process_bos+0x54/0x740 [amdgpu]\\n        restore_process_helper+0x22/0x80 [amdgpu]\\n        restore_process_worker+0x2d/0xa0 [amdgpu]\\n        process_one_work+0x29b/0x560\\n        worker_thread+0x3d/0x3d0\\n\\n-\u003e #1 ((work_completion)(\u0026(\u0026process-\u003erestore_work)-\u003ework)){+.+.}-{0:0}:\\n        __flush_work+0x88/0x4f0\\n        __cancel_work_timer+0x12c/0x1c0\\n        kfd_process_notifier_release_internal+0x37/0x1f0 [amdgpu]\\n        __mmu_notifier_release+0xad/0x240\\n        exit_mmap+0x6a/0x3a0\\n        mmput+0x6a/0x120\\n        do_exit+0x322/0xb90\\n        do_group_exit+0x37/0xa0\\n        __x64_sys_exit_group+0x18/0x20\\n        do_syscall_64+0x38/0x80\\n\\n-\u003e #0 (srcu){.+.+}-{0:0}:\\n        __lock_acquire+0x1521/0x2510\\n        lock_sync+0x5f/0x90\\n        __synchronize_srcu+0x4f/0x1a0\\n        __mmu_notifier_release+0x128/0x240\\n        exit_mmap+0x6a/0x3a0\\n        mmput+0x6a/0x120\\n        svm_range_deferred_list_work+0x19f/0x350 [amdgpu]\\n        process_one_work+0x29b/0x560\\n        worker_thread+0x3d/0x3d0\\n\\nother info that might help us debug this:\\nChain exists of:\\n  srcu --\u003e \u0026info-\u003elock#2 --\u003e (work_completion)(\u0026svms-\u003edeferred_list_work)\\n\\nPossible unsafe locking scenario:\\n\\n        CPU0                    CPU1\\n        ----                    ----\\n        lock((work_completion)(\u0026svms-\u003edeferred_list_work));\\n                        lock(\u0026info-\u003elock#2);\\n\\t\\t\\tlock((work_completion)(\u0026svms-\u003edeferred_list_work));\\n        sync(srcu);\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amdkfd: corrige la advertencia de dependencia de bloqueo con srcu ============================== ========================== ADVERTENCIA: posible dependencia de bloqueo circular detectada 6.5.0-kfd-yangp #2289 No contaminado ------ ------------------------------------------------ ktrabajador/ 0:2/996 est\u00e1 intentando adquirir el bloqueo: (srcu){.+.+}-{0:0}, en: __synchronize_srcu+0x5/0x1a0 pero la tarea ya mantiene el bloqueo: ((work_completion)(\u0026amp;svms-\u0026gt;deferred_list_work )){+.+.}-{0:0}, en: Process_one_work+0x211/0x560 cuyo bloqueo ya depende del nuevo bloqueo. la cadena de dependencia existente (en orden inverso) es: -\u0026gt; #3 ((work_completion)(\u0026amp;svms-\u0026gt;deferred_list_work)){+.+.}-{0:0}: __flush_work+0x88/0x4f0 svm_range_list_lock_and_flush_work+0x3d/0x110 [ amdgpu] svm_range_set_attr+0xd6/0x14c0 [amdgpu] kfd_ioctl+0x1d1/0x630 [amdgpu] __x64_sys_ioctl+0x88/0xc0 -\u0026gt; #2 (\u0026amp;info-\u0026gt;lock#2){+.+.}-{3:3}: __mutex_lock+ 0x99/0xc70 amdgpu_amdkfd_gpuvm_restore_process_bos+0x54/0x740 [amdgpu] restaurar_proceso_helper+0x22/0x80 [amdgpu] restaurar_proceso_trabajador+0x2d/0xa0 [amdgpu] proceso_one_work+0x29b/0x560 trabajador_thread+0x3d/0x3d 0 -\u0026gt; #1 ((finalizaci\u00f3n_trabajo)(\u0026amp;(\u0026amp;proceso- \u0026gt;restore_work)-\u0026gt;work)){+.+.}-{0:0}: __flush_work+0x88/0x4f0 __cancel_work_timer+0x12c/0x1c0 kfd_process_notifier_release_internal+0x37/0x1f0 [amdgpu] __mmu_notifier_release+0xad/0x240 exit_mmap+0x6a/0x3 a0 mmentrada +0x6a/0x120 do_exit+0x322/0xb90 do_group_exit+0x37/0xa0 __x64_sys_exit_group+0x18/0x20 do_syscall_64+0x38/0x80 -\u0026gt; #0 (srcu){.+.+}-{0:0}: __lock_acquire+0x1521/0x2 510 lock_sync +0x5f/0x90 __synchronize_srcu+0x4f/0x1a0 __mmu_notifier_release+0x128/0x240 exit_mmap+0x6a/0x3a0 mmput+0x6a/0x120 svm_range_deferred_list_work+0x19f/0x350 [amdgpu] Process_one_work+0x29b/0 x560 trabajador_thread+0x3d/0x3d0 otra informaci\u00f3n que podr\u00eda ayudarnos a depurar esto : Existe cadena de: srcu --\u0026gt; \u0026amp;info-\u0026gt;lock#2 --\u0026gt; (work_completion)(\u0026amp;svms-\u0026gt;deferred_list_work) Posible escenario de bloqueo inseguro: CPU0 CPU1 ---- ---- lock((work_completion)(\u0026amp;svms- \u0026gt;lista_trabajo_diferido)); bloquear(\u0026amp;info-\u0026gt;bloquear#2); lock((work_completion)(\u0026amp;svms-\u0026gt;deferred_list_work)); sincronizaci\u00f3n(srcu);\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1556c242e64cdffe58736aa650b0b395854fe4d4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/2a9de42e8d3c82c6990d226198602be44f43f340\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/752312f6a79440086ac0f9b08d7776870037323c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b602f098f716723fa5c6c96a486e0afba83b7b94\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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