{"cve":"CVE-2023-52693","nvd":{"published":"2024-05-17T15:15:20.273","modified":"2026-06-17T06:43:21.510","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/1e3a2b9b4039bb4d136dca59fb31e06465e056f3","https://git.kernel.org/stable/c/2124c5bc22948fc4d09a23db4a8acdccc7d21e95","https://git.kernel.org/stable/c/39af144b6d01d9b40f52e5d773e653957e6c379c","https://git.kernel.org/stable/c/3a370502a5681986f9828e43be75ce26c6ab24af","https://git.kernel.org/stable/c/556f02699d33c1f40b1b31bd25828ce08fa165d8"],"products":["debian:debian_linux","linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2023-52693","score":0.00249,"percentile":0.16268,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}