{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-52632"
      ],
      "details": "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);",
      "id": "GSD-2023-52632",
      "modified": "2024-03-07T06:01:45.552341Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@kernel.org",
        "ID": "CVE-2023-52632",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Linux",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "1da177e4c3f4",
                          "version_value": "b602f098f716"
                        },
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected",
                            "versions": [
                              {
                                "lessThanOrEqual": "6.1.*",
                                "status": "unaffected",
                                "version": "6.1.77",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "6.6.*",
                                "status": "unaffected",
                                "version": "6.6.16",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "6.7.*",
                                "status": "unaffected",
                                "version": "6.7.4",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "*",
                                "status": "unaffected",
                                "version": "6.8",
                                "versionType": "original_commit_for_fix"
                              }
                            ]
                          }
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Linux"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "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);"
          }
        ]
      },
      "generator": {
        "engine": "bippy-b4257b672505"
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://git.kernel.org/stable/c/b602f098f716723fa5c6c96a486e0afba83b7b94",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/b602f098f716723fa5c6c96a486e0afba83b7b94"
          },
          {
            "name": "https://git.kernel.org/stable/c/752312f6a79440086ac0f9b08d7776870037323c",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/752312f6a79440086ac0f9b08d7776870037323c"
          },
          {
            "name": "https://git.kernel.org/stable/c/1556c242e64cdffe58736aa650b0b395854fe4d4",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/1556c242e64cdffe58736aa650b0b395854fe4d4"
          },
          {
            "name": "https://git.kernel.org/stable/c/2a9de42e8d3c82c6990d226198602be44f43f340",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/2a9de42e8d3c82c6990d226198602be44f43f340"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "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);"
          }
        ],
        "id": "CVE-2023-52632",
        "lastModified": "2024-04-02T12:50:42.233",
        "metrics": {},
        "published": "2024-04-02T07:15:41.010",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "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"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Awaiting Analysis"
      }
    }
  }
}