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CVE-2023-52475 (GCVE-0-2023-52475)

Vulnerability from cvelistv5 – Published: 2024-02-29 05:43 – Updated: 2026-05-11 19:28
VLAI
Title
Input: powermate - fix use-after-free in powermate_config_complete
Summary
In the Linux kernel, the following vulnerability has been resolved: Input: powermate - fix use-after-free in powermate_config_complete syzbot has found a use-after-free bug [1] in the powermate driver. This happens when the device is disconnected, which leads to a memory free from the powermate_device struct. When an asynchronous control message completes after the kfree and its callback is invoked, the lock does not exist anymore and hence the bug. Use usb_kill_urb() on pm->config to cancel any in-progress requests upon device disconnection. [1] https://syzkaller.appspot.com/bug?extid=0434ac83f907a1dbdd1e
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 15:57 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 8677575c4f39d65bf0d719b5d20e8042e550ccb9 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 67cace72606baf1758fd60feb358f4c6be92e1cc (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 5aa514100aaf59868d745196258269a16737c7bd (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < cd2fbfd8b922b7fdd50732e47d797754ab59cb06 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 6a4a396386404e62fb59bc3bde48871a64a82b4f (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 2efe67c581a2a6122b328d4bb6f21b3f36f40d46 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < e528b1b9d60743e0b26224e3fe7aa74c24b8b2f8 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 5c15c60e7be615f05a45cd905093a54b11f461bc (git)
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Linux Linux Affected: 2.6.12
Unaffected: 0 , < 2.6.12 (semver)
Unaffected: 4.14.328 , ≤ 4.14.* (semver)
Unaffected: 4.19.297 , ≤ 4.19.* (semver)
Unaffected: 5.4.259 , ≤ 5.4.* (semver)
Unaffected: 5.10.199 , ≤ 5.10.* (semver)
Unaffected: 5.15.136 , ≤ 5.15.* (semver)
Unaffected: 6.1.59 , ≤ 6.1.* (semver)
Unaffected: 6.5.8 , ≤ 6.5.* (semver)
Unaffected: 6.6 , ≤ * (original_commit_for_fix)
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When an asynchronous control message\\ncompletes after the kfree and its callback is invoked, the lock does not\\nexist anymore and hence the bug.\\n\\nUse usb_kill_urb() on pm-\u003econfig to cancel any in-progress requests upon\\ndevice disconnection.\\n\\n[1] https://syzkaller.appspot.com/bug?extid=0434ac83f907a1dbdd1e\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: Entrada: powermate - corrige el use-after-free en powermate_config_complete syzbot ha encontrado un error de use-after-free [1] en el controlador powermate. Esto sucede cuando el dispositivo est\u00e1 desconectado, lo que genera una memoria libre de la estructura powermate_device. Cuando se completa un mensaje de control asincr\u00f3nico despu\u00e9s de que se invoca kfree y su devoluci\u00f3n de llamada, el bloqueo ya no existe y de ah\u00ed el error. Utilice usb_kill_urb() en pm-\u0026gt;config para cancelar cualquier solicitud en curso al desconectar el dispositivo. [1] 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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-28T07:56:06+00:00",
      "cve": "CVE-2023-52475",
      "id": "CVE-2023-52475",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:fixed": "280",
      "product_status:known_affected": "112",
      "product_status:known_not_affected": "8",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: use-after-free in powermate_config_complete",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-52475.json",
      "version": "3"
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      "current_release_date": "2026-08-29T02:12:36Z",
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      "product_status:known_affected": "386",
      "product_status:known_not_affected": "60",
      "product_status:recommended": "943",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-52475",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-52475.json",
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This\\nhappens when the device is disconnected, which leads to a memory free from\\nthe powermate_device struct.  When an asynchronous control message\\ncompletes after the kfree and its callback is invoked, the lock does not\\nexist anymore and hence the bug.\\n\\nUse usb_kill_urb() on pm-\u003econfig to cancel any in-progress requests upon\\ndevice disconnection.\\n\\n[1] https://syzkaller.appspot.com/bug?extid=0434ac83f907a1dbdd1e\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.328\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.297\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.259\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.199\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.136\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.59\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.5.8\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6\", \"versionStartIncluding\": \"2.6.12\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-01-05T10:16:08.023Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-52475\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-05T10:16:08.023Z\", \"dateReserved\": \"2024-02-20T12:30:33.298Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-02-29T05:43:08.838Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.

Sightings

Author Source Type Date Other

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.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.