{"id":"CVE-2023-52693","summary":"ACPI: video: check for error while searching for backlight device parent","details":"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.","modified":"2026-04-11T12:46:34.899550Z","published":"2024-05-17T14:27:26.514Z","related":["SUSE-SU-2024:2008-1","SUSE-SU-2024:2019-1","SUSE-SU-2024:2135-1","SUSE-SU-2024:2190-1","SUSE-SU-2024:2203-1","SUSE-SU-2024:2493-1","SUSE-SU-2024:2561-1","SUSE-SU-2024:2901-1","SUSE-SU-2024:2973-1","SUSE-SU-2025:20008-1","SUSE-SU-2025:20028-1","SUSE-SU-2025:20166-1","SUSE-SU-2025:20249-1","USN-6818-2","USN-6819-2"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52693.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1e3a2b9b4039bb4d136dca59fb31e06465e056f3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2124c5bc22948fc4d09a23db4a8acdccc7d21e95"},{"type":"WEB","url":"https://git.kernel.org/stable/c/39af144b6d01d9b40f52e5d773e653957e6c379c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3a370502a5681986f9828e43be75ce26c6ab24af"},{"type":"WEB","url":"https://git.kernel.org/stable/c/556f02699d33c1f40b1b31bd25828ce08fa165d8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/72884ce4e10417b1233b614bf134da852df0f15f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c4e1a0ef0b4782854c9b77a333ca912b392bed2f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ccd45faf4973746c4f30ea41eec864e5cf191099"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52693.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52693"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"9661e92c10a9775243c1ecb73373528ed8725a10"},{"fixed":"556f02699d33c1f40b1b31bd25828ce08fa165d8"},{"fixed":"1e3a2b9b4039bb4d136dca59fb31e06465e056f3"},{"fixed":"c4e1a0ef0b4782854c9b77a333ca912b392bed2f"},{"fixed":"3a370502a5681986f9828e43be75ce26c6ab24af"},{"fixed":"2124c5bc22948fc4d09a23db4a8acdccc7d21e95"},{"fixed":"39af144b6d01d9b40f52e5d773e653957e6c379c"},{"fixed":"72884ce4e10417b1233b614bf134da852df0f15f"},{"fixed":"ccd45faf4973746c4f30ea41eec864e5cf191099"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52693.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.39"},{"fixed":"4.19.306"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"5.4.268"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.209"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.148"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.75"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.14"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.7.2"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52693.json"}}],"schema_version":"1.7.5"}