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CVE-2025-71199 (GCVE-0-2025-71199)

Vulnerability from cvelistv5 – Published: 2026-02-04 16:07 – Updated: 2026-05-11 21:56
VLAI
Title
iio: adc: at91-sama5d2_adc: Fix potential use-after-free in sama5d2_adc driver
Summary
In the Linux kernel, the following vulnerability has been resolved: iio: adc: at91-sama5d2_adc: Fix potential use-after-free in sama5d2_adc driver at91_adc_interrupt can call at91_adc_touch_data_handler function to start the work by schedule_work(&st->touch_st.workq). If we remove the module which will call at91_adc_remove to make cleanup, it will free indio_dev through iio_device_unregister but quite a bit later. While the work mentioned above will be used. The sequence of operations that may lead to a UAF bug is as follows: CPU0 CPU1 | at91_adc_workq_handler at91_adc_remove | iio_device_unregister(indio_dev) | //free indio_dev a bit later | | iio_push_to_buffers(indio_dev) | //use indio_dev Fix it by ensuring that the work is canceled before proceeding with the cleanup in at91_adc_remove.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 23ec2774f1cc168b1f32a2e0ed2709cb473bb94e , < 4c83dd62595ee7b7c9298a4d19a256b6647e7240 (git)
Affected: 23ec2774f1cc168b1f32a2e0ed2709cb473bb94e , < fdc8c835c637a3473878d1e7438c77ab8928af63 (git)
Affected: 23ec2774f1cc168b1f32a2e0ed2709cb473bb94e , < 919d176b05776c7ede79c36744c823a07d631617 (git)
Affected: 23ec2774f1cc168b1f32a2e0ed2709cb473bb94e , < 9795fe80976f8c31cafda7d44edfc0f532d1f7c4 (git)
Affected: 23ec2774f1cc168b1f32a2e0ed2709cb473bb94e , < d7b6fc224c7f5d6d8adcb18037138d3cfe2bbdfe (git)
Affected: 23ec2774f1cc168b1f32a2e0ed2709cb473bb94e , < d890234a91570542c228a20f132ce74f9fedd904 (git)
Affected: 23ec2774f1cc168b1f32a2e0ed2709cb473bb94e , < dbdb442218cd9d613adeab31a88ac973f22c4873 (git)
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Linux Linux Affected: 4.19
Unaffected: 0 , < 4.19 (semver)
Unaffected: 5.10.249 , ≤ 5.10.* (semver)
Unaffected: 5.15.199 , ≤ 5.15.* (semver)
Unaffected: 6.1.162 , ≤ 6.1.* (semver)
Unaffected: 6.6.122 , ≤ 6.6.* (semver)
Unaffected: 6.12.68 , ≤ 6.12.* (semver)
Unaffected: 6.18.8 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: adc: at91-sama5d2_adc: Fix potential use-after-free in sama5d2_adc driver\n\nat91_adc_interrupt can call at91_adc_touch_data_handler function\nto start the work by schedule_work(\u0026st-\u003etouch_st.workq).\n\nIf we remove the module which will call at91_adc_remove to\nmake cleanup, it will free indio_dev through iio_device_unregister but\nquite a bit later. While the work mentioned above will be used. The\nsequence of operations that may lead to a UAF bug is as follows:\n\nCPU0                                      CPU1\n\n                                     | at91_adc_workq_handler\nat91_adc_remove                      |\niio_device_unregister(indio_dev)     |\n//free indio_dev a bit later         |\n                                     | iio_push_to_buffers(indio_dev)\n                                     | //use indio_dev\n\nFix it by ensuring that the work is canceled before proceeding with\nthe cleanup in at91_adc_remove."
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The\\nsequence of operations that may lead to a UAF bug is as follows:\\n\\nCPU0                                      CPU1\\n\\n                                     | at91_adc_workq_handler\\nat91_adc_remove                      |\\niio_device_unregister(indio_dev)     |\\n//free indio_dev a bit later         |\\n                                     | iio_push_to_buffers(indio_dev)\\n                                     | //use indio_dev\\n\\nFix it by ensuring that the work is canceled before proceeding with\\nthe cleanup in at91_adc_remove.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\\n\\niio: adc: at91-sama5d2_adc: Soluciona un potencial uso despu\u00e9s de liberaci\u00f3n en el controlador sama5d2_adc\\n\\nat91_adc_interrupt puede llamar a la funci\u00f3n at91_adc_touch_data_handler para iniciar el trabajo mediante schedule_work(\u0026amp;st-\u0026gt;touch_st.workq).\\n\\nSi eliminamos el m\u00f3dulo que llamar\u00e1 a at91_adc_remove para realizar la limpieza, liberar\u00e1 indio_dev a trav\u00e9s de iio_device_unregister pero bastante m\u00e1s tarde. Mientras que el trabajo mencionado anteriormente ser\u00e1 utilizado. La secuencia de operaciones que puede llevar a un error UAF es la siguiente:\\n\\nCPU0 CPU1\\n\\n                                     | at91_adc_workq_handler\\nat91_adc_remove                      |\\niio_device_unregister(indio_dev)     |\\n//liberar indio_dev un poco m\u00e1s tarde |\\n                                     | iio_push_to_buffers(indio_dev)\\n                                     | //usar indio_dev\\n\\nSe soluciona asegurando que el trabajo sea cancelado antes de proceder con la limpieza en at91_adc_remove.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/iio/adc/at91-sama5d2_adc.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"23ec2774f1cc168b1f32a2e0ed2709cb473bb94e\",\"lessThan\":\"4c83dd62595ee7b7c9298a4d19a256b6647e7240\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"23ec2774f1cc168b1f32a2e0ed2709cb473bb94e\",\"lessThan\":\"fdc8c835c637a3473878d1e7438c77ab8928af63\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"23ec2774f1cc168b1f32a2e0ed2709cb473bb94e\",\"lessThan\":\"919d176b05776c7ede79c36744c823a07d631617\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"23ec2774f1cc168b1f32a2e0ed2709cb473bb94e\",\"lessThan\":\"9795fe80976f8c31cafda7d44edfc0f532d1f7c4\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"23ec2774f1cc168b1f32a2e0ed2709cb473bb94e\",\"lessThan\":\"d7b6fc224c7f5d6d8adcb18037138d3cfe2bbdfe\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"23ec2774f1cc168b1f32a2e0ed2709cb473bb94e\",\"lessThan\":\"d890234a91570542c228a20f132ce74f9fedd904\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"23ec2774f1cc168b1f32a2e0ed2709cb473bb94e\",\"lessThan\":\"dbdb442218cd9d613adeab31a88ac973f22c4873\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/iio/adc/at91-sama5d2_adc.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.19\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.19\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.249\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.199\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.162\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.122\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.68\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.8\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.19\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/4c83dd62595ee7b7c9298a4d19a256b6647e7240\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/919d176b05776c7ede79c36744c823a07d631617\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9795fe80976f8c31cafda7d44edfc0f532d1f7c4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d7b6fc224c7f5d6d8adcb18037138d3cfe2bbdfe\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d890234a91570542c228a20f132ce74f9fedd904\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/dbdb442218cd9d613adeab31a88ac973f22c4873\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fdc8c835c637a3473878d1e7438c77ab8928af63\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T11:45:29+00:00",
      "cve": "CVE-2025-71199",
      "id": "CVE-2025-71199",
      "initial_release_date": "2025-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: iio: adc: at91-sama5d2_adc: Fix potential use-after-free in sama5d2_adc driver",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-71199.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-30T01:40:28Z",
      "cve": "CVE-2025-71199",
      "id": "CVE-2025-71199",
      "initial_release_date": "2026-02-05T00:27:30Z",
      "product_status:first_fixed": "2",
      "product_status:known_affected": "394",
      "product_status:known_not_affected": "367",
      "product_status:recommended": "280",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-71199",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-71199.json",
      "version": "27"
    }
  }
}



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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

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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.
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  • 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.


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