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.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 15:41 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
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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                      "versionStartIncluding": "2.6.39",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.15.148",
                      "versionStartIncluding": "2.6.39",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.1.75",
                      "versionStartIncluding": "2.6.39",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.6.14",
                      "versionStartIncluding": "2.6.39",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.7.2",
                      "versionStartIncluding": "2.6.39",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.8",
                      "versionStartIncluding": "2.6.39",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "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."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-11T19:31:49.523Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "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"
            }
          ],
          "title": "ACPI: video: check for error while searching for backlight device parent",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2023-52693",
        "datePublished": "2024-05-17T14:27:26.514Z",
        "dateReserved": "2024-03-07T14:49:46.889Z",
        "dateUpdated": "2026-05-11T19:31:49.523Z",
        "state": "PUBLISHED"
      },
      "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

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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.



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.