CVE-2023-54235 (GCVE-0-2023-54235)
Vulnerability from cvelistv5
Published
2025-12-30 12:11
Modified
2025-12-30 12:11
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: PCI/DOE: Fix destroy_work_on_stack() race The following debug object splat was observed in testing: ODEBUG: free active (active state 0) object: 0000000097d23782 object type: work_struct hint: doe_statemachine_work+0x0/0x510 WARNING: CPU: 1 PID: 71 at lib/debugobjects.c:514 debug_print_object+0x7d/0xb0 ... Workqueue: pci 0000:36:00.0 DOE [1 doe_statemachine_work RIP: 0010:debug_print_object+0x7d/0xb0 ... Call Trace: ? debug_print_object+0x7d/0xb0 ? __pfx_doe_statemachine_work+0x10/0x10 debug_object_free.part.0+0x11b/0x150 doe_statemachine_work+0x45e/0x510 process_one_work+0x1d4/0x3c0 This occurs because destroy_work_on_stack() was called after signaling the completion in the calling thread. This creates a race between destroy_work_on_stack() and the task->work struct going out of scope in pci_doe(). Signal the work complete after destroying the work struct. This is safe because signal_task_complete() is the final thing the work item does and the workqueue code is careful not to access the work struct after.
References
Impacted products
Vendor Product Version
Linux Linux Version: 2a0e0f4773fe8032fb17e56f897bee32ce3cdc2b
Version: abf04be0e7071f2bcd39bf97ba407e7d4439785e
Version: abf04be0e7071f2bcd39bf97ba407e7d4439785e
Version: abf04be0e7071f2bcd39bf97ba407e7d4439785e
Version: 95628b830952943631d3d74f73f431f501c5d6f5
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{
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          "programFiles": [
            "drivers/pci/doe.c"
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      "cpeApplicability": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI/DOE: Fix destroy_work_on_stack() race\n\nThe following debug object splat was observed in testing:\n\n  ODEBUG: free active (active state 0) object: 0000000097d23782 object type: work_struct hint: doe_statemachine_work+0x0/0x510\n  WARNING: CPU: 1 PID: 71 at lib/debugobjects.c:514 debug_print_object+0x7d/0xb0\n  ...\n  Workqueue: pci 0000:36:00.0 DOE [1 doe_statemachine_work\n  RIP: 0010:debug_print_object+0x7d/0xb0\n  ...\n  Call Trace:\n   ? debug_print_object+0x7d/0xb0\n   ? __pfx_doe_statemachine_work+0x10/0x10\n   debug_object_free.part.0+0x11b/0x150\n   doe_statemachine_work+0x45e/0x510\n   process_one_work+0x1d4/0x3c0\n\nThis occurs because destroy_work_on_stack() was called after signaling\nthe completion in the calling thread.  This creates a race between\ndestroy_work_on_stack() and the task-\u003ework struct going out of scope in\npci_doe().\n\nSignal the work complete after destroying the work struct.  This is safe\nbecause signal_task_complete() is the final thing the work item does and\nthe workqueue code is careful not to access the work struct after."
        }
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      "providerMetadata": {
        "dateUpdated": "2025-12-30T12:11:25.688Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        },
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          "url": "https://git.kernel.org/stable/c/19cf3ba16dcc2ef059dcf010072d4f96d76486e0"
        },
        {
          "url": "https://git.kernel.org/stable/c/e3a3a097eaebaf234a482b4d2f9f18fe989208c1"
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      ],
      "title": "PCI/DOE: Fix destroy_work_on_stack() race",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-54235",
    "datePublished": "2025-12-30T12:11:25.688Z",
    "dateReserved": "2025-12-30T12:06:44.508Z",
    "dateUpdated": "2025-12-30T12:11:25.688Z",
    "state": "PUBLISHED"
  },
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  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-54235\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-30T13:16:11.953\",\"lastModified\":\"2025-12-30T13:16:11.953\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nPCI/DOE: Fix destroy_work_on_stack() race\\n\\nThe following debug object splat was observed in testing:\\n\\n  ODEBUG: free active (active state 0) object: 0000000097d23782 object type: work_struct hint: doe_statemachine_work+0x0/0x510\\n  WARNING: CPU: 1 PID: 71 at lib/debugobjects.c:514 debug_print_object+0x7d/0xb0\\n  ...\\n  Workqueue: pci 0000:36:00.0 DOE [1 doe_statemachine_work\\n  RIP: 0010:debug_print_object+0x7d/0xb0\\n  ...\\n  Call Trace:\\n   ? debug_print_object+0x7d/0xb0\\n   ? __pfx_doe_statemachine_work+0x10/0x10\\n   debug_object_free.part.0+0x11b/0x150\\n   doe_statemachine_work+0x45e/0x510\\n   process_one_work+0x1d4/0x3c0\\n\\nThis occurs because destroy_work_on_stack() was called after signaling\\nthe completion in the calling thread.  This creates a race between\\ndestroy_work_on_stack() and the task-\u003ework struct going out of scope in\\npci_doe().\\n\\nSignal the work complete after destroying the work struct.  This is safe\\nbecause signal_task_complete() is the final thing the work item does and\\nthe workqueue code is careful not to access the work struct after.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/19cf3ba16dcc2ef059dcf010072d4f96d76486e0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c4f9c0a3a6df143f2e1092823b7fa9e07d6ab57f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d96799ee3b78962c80e4b6653734f488f999ca09\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e3a3a097eaebaf234a482b4d2f9f18fe989208c1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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