CVE-2024-26974 (GCVE-0-2024-26974)

Vulnerability from cvelistv5 – Published: 2024-05-01 05:20 – Updated: 2026-05-12 11:50
VLAI
Title
crypto: qat - resolve race condition during AER recovery
Summary
In the Linux kernel, the following vulnerability has been resolved: crypto: qat - resolve race condition during AER recovery During the PCI AER system's error recovery process, the kernel driver may encounter a race condition with freeing the reset_data structure's memory. If the device restart will take more than 10 seconds the function scheduling that restart will exit due to a timeout, and the reset_data structure will be freed. However, this data structure is used for completion notification after the restart is completed, which leads to a UAF bug. This results in a KFENCE bug notice. BUG: KFENCE: use-after-free read in adf_device_reset_worker+0x38/0xa0 [intel_qat] Use-after-free read at 0x00000000bc56fddf (in kfence-#142): adf_device_reset_worker+0x38/0xa0 [intel_qat] process_one_work+0x173/0x340 To resolve this race condition, the memory associated to the container of the work_struct is freed on the worker if the timeout expired, otherwise on the function that schedules the worker. The timeout detection can be done by checking if the caller is still waiting for completion or not by using completion_done() function.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: d8cba25d2c68992a6e7c1d329b690a9ebe01167d , < daba62d9eeddcc5b1081be7d348ca836c83c59d7 (git)
Affected: d8cba25d2c68992a6e7c1d329b690a9ebe01167d , < 8e81cd58aee14a470891733181a47d123193ba81 (git)
Affected: d8cba25d2c68992a6e7c1d329b690a9ebe01167d , < d03092550f526a79cf1ade7f0dfa74906f39eb71 (git)
Affected: d8cba25d2c68992a6e7c1d329b690a9ebe01167d , < 4ae5a97781ce7d6ecc9c7055396535815b64ca4f (git)
Affected: d8cba25d2c68992a6e7c1d329b690a9ebe01167d , < 226fc408c5fcd23cc4186f05ea3a09a7a9aef2f7 (git)
Affected: d8cba25d2c68992a6e7c1d329b690a9ebe01167d , < 8a5a7611ccc7b1fba8d933a9f22a2e76859d94dc (git)
Affected: d8cba25d2c68992a6e7c1d329b690a9ebe01167d , < 0c2cf5142bfb634c0ef0a1a69cdf37950747d0be (git)
Affected: d8cba25d2c68992a6e7c1d329b690a9ebe01167d , < bb279ead42263e9fb09480f02a4247b2c287d828 (git)
Affected: d8cba25d2c68992a6e7c1d329b690a9ebe01167d , < 7d42e097607c4d246d99225bf2b195b6167a210c (git)
Create a notification for this product.
Linux Linux Affected: 3.17
Unaffected: 0 , < 3.17 (semver)
Unaffected: 4.19.312 , ≤ 4.19.* (semver)
Unaffected: 5.4.274 , ≤ 5.4.* (semver)
Unaffected: 5.10.215 , ≤ 5.10.* (semver)
Unaffected: 5.15.154 , ≤ 5.15.* (semver)
Unaffected: 6.1.84 , ≤ 6.1.* (semver)
Unaffected: 6.6.24 , ≤ 6.6.* (semver)
Unaffected: 6.7.12 , ≤ 6.7.* (semver)
Unaffected: 6.8.3 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
Create a notification for this product.
Show details on NVD website
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However, this data structure is used for\\ncompletion notification after the restart is completed, which leads\\nto a UAF bug.\\n\\nThis results in a KFENCE bug notice.\\n\\n  BUG: KFENCE: use-after-free read in adf_device_reset_worker+0x38/0xa0 [intel_qat]\\n  Use-after-free read at 0x00000000bc56fddf (in kfence-#142):\\n  adf_device_reset_worker+0x38/0xa0 [intel_qat]\\n  process_one_work+0x173/0x340\\n\\nTo resolve this race condition, the memory associated to the container\\nof the work_struct is freed on the worker if the timeout expired,\\notherwise on the function that schedules the worker.\\nThe timeout detection can be done by checking if the caller is\\nstill waiting for completion or not by using completion_done() function.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: crypto: qat: resuelve la condici\u00f3n de ejecuci\u00f3n durante la recuperaci\u00f3n de AER Durante el proceso de recuperaci\u00f3n de errores del sistema PCI AER, el controlador del kernel puede encontrar una condici\u00f3n de ejecuci\u00f3n al liberar la memoria de la estructura reset_data. Si el reinicio del dispositivo demora m\u00e1s de 10 segundos, la funci\u00f3n que programa el reinicio se cerrar\u00e1 debido a un tiempo de espera y se liberar\u00e1 la estructura reset_data. Sin embargo, esta estructura de datos se utiliza para la notificaci\u00f3n de finalizaci\u00f3n despu\u00e9s de que se completa el reinicio, lo que genera un error de UAF. Esto da como resultado un aviso de error de KFENCE. ERROR: KFENCE: lectura de uso despu\u00e9s de liberaci\u00f3n en adf_device_reset_worker+0x38/0xa0 [intel_qat] Lectura de uso despu\u00e9s de liberaci\u00f3n en 0x00000000bc56fddf (en kfence-#142): adf_device_reset_worker+0x38/0xa0 [intel_qat] Process_one_work+0x173/0x340 Para resolver En esta condici\u00f3n de ejecuci\u00f3n, la memoria asociada al contenedor de work_struct se libera en el trabajador si el tiempo de espera expir\u00f3; en caso contrario, en la funci\u00f3n que programa al trabajador. La detecci\u00f3n del tiempo de espera se puede realizar comprobando si la persona que llama todav\u00eda est\u00e1 esperando que finalice o no mediante la funci\u00f3n 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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T08:03:31+00:00",
      "cve": "CVE-2024-26974",
      "id": "CVE-2024-26974",
      "initial_release_date": "2024-05-01T00:00:00+00:00",
      "product_status:fixed": "783",
      "product_status:known_affected": "50",
      "product_status:known_not_affected": "23",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: crypto: qat - resolve race condition during AER recovery",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-26974.json",
      "version": "3"
    },
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resolve race condition during AER recovery\\n\\nDuring the PCI AER system\u0027s error recovery process, the kernel driver\\nmay encounter a race condition with freeing the reset_data structure\u0027s\\nmemory. If the device restart will take more than 10 seconds the function\\nscheduling that restart will exit due to a timeout, and the reset_data\\nstructure will be freed. However, this data structure is used for\\ncompletion notification after the restart is completed, which leads\\nto a UAF bug.\\n\\nThis results in a KFENCE bug notice.\\n\\n  BUG: KFENCE: use-after-free read in adf_device_reset_worker+0x38/0xa0 [intel_qat]\\n  Use-after-free read at 0x00000000bc56fddf (in kfence-#142):\\n  adf_device_reset_worker+0x38/0xa0 [intel_qat]\\n  process_one_work+0x173/0x340\\n\\nTo resolve this race condition, the memory associated to the container\\nof the work_struct is freed on the worker if the timeout expired,\\notherwise on the function that schedules the worker.\\nThe timeout detection can be done by checking if the caller is\\nstill waiting for completion or not by using completion_done() function.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.312\", \"versionStartIncluding\": \"3.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.274\", \"versionStartIncluding\": \"3.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.215\", \"versionStartIncluding\": \"3.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.154\", \"versionStartIncluding\": \"3.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.84\", \"versionStartIncluding\": \"3.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.24\", \"versionStartIncluding\": \"3.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.12\", \"versionStartIncluding\": \"3.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.3\", \"versionStartIncluding\": \"3.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9\", \"versionStartIncluding\": \"3.17\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:01:16.054Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-26974\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T09:01:16.054Z\", \"dateReserved\": \"2024-02-19T14:20:24.203Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-01T05:20:14.163Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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.