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CVE-2023-54235 (GCVE-0-2023-54235)

Vulnerability from cvelistv5 – Published: 2025-12-30 12:11 – Updated: 2026-05-23 15:34
VLAI
Title
PCI/DOE: Fix destroy_work_on_stack() race
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.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 2a0e0f4773fe8032fb17e56f897bee32ce3cdc2b , < d96799ee3b78962c80e4b6653734f488f999ca09 (git)
Affected: abf04be0e7071f2bcd39bf97ba407e7d4439785e , < c4f9c0a3a6df143f2e1092823b7fa9e07d6ab57f (git)
Affected: abf04be0e7071f2bcd39bf97ba407e7d4439785e , < 19cf3ba16dcc2ef059dcf010072d4f96d76486e0 (git)
Affected: abf04be0e7071f2bcd39bf97ba407e7d4439785e , < e3a3a097eaebaf234a482b4d2f9f18fe989208c1 (git)
Affected: 95628b830952943631d3d74f73f431f501c5d6f5 (git)
Affected: 6.1.24 , < 6.1.53 (semver)
Affected: 6.2.11 , < 6.3 (semver)
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Linux Linux Affected: 6.3
Unaffected: 0 , < 6.3 (semver)
Unaffected: 6.1.53 , ≤ 6.1.* (semver)
Unaffected: 6.4.16 , ≤ 6.4.* (semver)
Unaffected: 6.5.3 , ≤ 6.5.* (semver)
Unaffected: 6.6 , ≤ * (original_commit_for_fix)
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        {
          "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."
        }
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        "dateUpdated": "2026-05-23T15:34:30.766Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/d96799ee3b78962c80e4b6653734f488f999ca09"
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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": "2026-05-23T15:34:30.766Z",
    "state": "PUBLISHED"
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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-30T10:16:02+00:00",
      "cve": "CVE-2023-54235",
      "id": "CVE-2023-54235",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:fixed": "279",
      "product_status:known_affected": "22",
      "product_status:known_not_affected": "166",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: PCI/DOE: Fix destroy_work_on_stack() race",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-54235.json",
      "version": "3"
    }
  }
}



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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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Nomenclature

  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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