CVE-2023-52693 (GCVE-0-2023-52693)

Vulnerability from cvelistv5 – Published: 2024-05-17 14:27 – Updated: 2026-05-11 19:31
VLAI?
Title
ACPI: video: check for error while searching for backlight device parent
Summary
In the Linux kernel, the following vulnerability has been resolved: ACPI: video: check for error while searching for backlight device parent If acpi_get_parent() called in acpi_video_dev_register_backlight() fails, for example, because acpi_ut_acquire_mutex() fails inside acpi_get_parent), this can lead to incorrect (uninitialized) acpi_parent handle being passed to acpi_get_pci_dev() for detecting the parent pci device. Check acpi_get_parent() result and set parent device only in case of success. Found by Linux Verification Center (linuxtesting.org) with SVACE.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 9661e92c10a9775243c1ecb73373528ed8725a10 , < 556f02699d33c1f40b1b31bd25828ce08fa165d8 (git)
Affected: 9661e92c10a9775243c1ecb73373528ed8725a10 , < 1e3a2b9b4039bb4d136dca59fb31e06465e056f3 (git)
Affected: 9661e92c10a9775243c1ecb73373528ed8725a10 , < c4e1a0ef0b4782854c9b77a333ca912b392bed2f (git)
Affected: 9661e92c10a9775243c1ecb73373528ed8725a10 , < 3a370502a5681986f9828e43be75ce26c6ab24af (git)
Affected: 9661e92c10a9775243c1ecb73373528ed8725a10 , < 2124c5bc22948fc4d09a23db4a8acdccc7d21e95 (git)
Affected: 9661e92c10a9775243c1ecb73373528ed8725a10 , < 39af144b6d01d9b40f52e5d773e653957e6c379c (git)
Affected: 9661e92c10a9775243c1ecb73373528ed8725a10 , < 72884ce4e10417b1233b614bf134da852df0f15f (git)
Affected: 9661e92c10a9775243c1ecb73373528ed8725a10 , < ccd45faf4973746c4f30ea41eec864e5cf191099 (git)
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Linux Linux Affected: 2.6.39
Unaffected: 0 , < 2.6.39 (semver)
Unaffected: 4.19.306 , ≤ 4.19.* (semver)
Unaffected: 5.4.268 , ≤ 5.4.* (semver)
Unaffected: 5.10.209 , ≤ 5.10.* (semver)
Unaffected: 5.15.148 , ≤ 5.15.* (semver)
Unaffected: 6.1.75 , ≤ 6.1.* (semver)
Unaffected: 6.6.14 , ≤ 6.6.* (semver)
Unaffected: 6.7.2 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
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Si la llamada acpi_get_parent() en acpi_video_dev_register_backlight() fallo, por ejemplo, porque acpi_ut_acquire_mutex() fallo dentro de acpi_get_parent), esto puede provocar que se pase el identificador acpi_parent incorrecto (no inicializado) a acpi_get_pci_dev() para detectar el dispositivo pci principal. Verifique el resultado de acpi_get_parent() y configure el dispositivo principal solo en caso de \u00e9xito. 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    "vulnrichment": {
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{\"title\": \"ACPI: video: check for error while searching for backlight device parent\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"9661e92c10a9775243c1ecb73373528ed8725a10\", \"lessThan\": \"556f02699d33c1f40b1b31bd25828ce08fa165d8\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9661e92c10a9775243c1ecb73373528ed8725a10\", \"lessThan\": \"1e3a2b9b4039bb4d136dca59fb31e06465e056f3\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9661e92c10a9775243c1ecb73373528ed8725a10\", \"lessThan\": \"c4e1a0ef0b4782854c9b77a333ca912b392bed2f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9661e92c10a9775243c1ecb73373528ed8725a10\", \"lessThan\": \"3a370502a5681986f9828e43be75ce26c6ab24af\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": 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\"programFiles\": [\"drivers/acpi/acpi_video.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/556f02699d33c1f40b1b31bd25828ce08fa165d8\"}, {\"url\": \"https://git.kernel.org/stable/c/1e3a2b9b4039bb4d136dca59fb31e06465e056f3\"}, {\"url\": \"https://git.kernel.org/stable/c/c4e1a0ef0b4782854c9b77a333ca912b392bed2f\"}, {\"url\": \"https://git.kernel.org/stable/c/3a370502a5681986f9828e43be75ce26c6ab24af\"}, {\"url\": \"https://git.kernel.org/stable/c/2124c5bc22948fc4d09a23db4a8acdccc7d21e95\"}, {\"url\": \"https://git.kernel.org/stable/c/39af144b6d01d9b40f52e5d773e653957e6c379c\"}, {\"url\": \"https://git.kernel.org/stable/c/72884ce4e10417b1233b614bf134da852df0f15f\"}, {\"url\": \"https://git.kernel.org/stable/c/ccd45faf4973746c4f30ea41eec864e5cf191099\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nACPI: video: check for error while searching for backlight device parent\\n\\nIf acpi_get_parent() called in acpi_video_dev_register_backlight()\\nfails, for example, because acpi_ut_acquire_mutex() fails inside\\nacpi_get_parent), this can lead to incorrect (uninitialized)\\nacpi_parent handle being passed to acpi_get_pci_dev() for detecting\\nthe parent pci device.\\n\\nCheck acpi_get_parent() result and set parent device only in case of success.\\n\\nFound by Linux Verification Center (linuxtesting.org) with SVACE.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.306\", \"versionStartIncluding\": \"2.6.39\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.268\", \"versionStartIncluding\": \"2.6.39\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": 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      "cveMetadata": "{\"cveId\": \"CVE-2023-52693\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T19:31:49.523Z\", \"dateReserved\": \"2024-03-07T14:49:46.889Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-17T14:27:26.514Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Taxonomy of the tags.




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.