{"id":"CVE-2023-53293","summary":"Bluetooth: btrtl: check for NULL in btrtl_set_quirks()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btrtl: check for NULL in btrtl_set_quirks()\n\nThe btrtl_set_quirks() has accessed btrtl_dev-\u003eic_info-\u003elmp_subver since\nb8e482d02513. However, if installing a Realtek Bluetooth controller\nwithout the driver supported, it will hit the NULL point accessed.\n\nAdd a check for NULL to avoid the Kernel Oops.","modified":"2026-04-10T05:06:52.748506Z","published":"2025-09-16T08:11:25Z","references":[{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"},{"type":"WEB","url":"https://git.kernel.org/stable/c/253cf30e8d3d001850a95c4729d668f916b037ab"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c34722f0bb9f7efb0e7e7a75a9cb57601132b51f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ea160ece08668a30ce69f92cc08e87da54a64a9c"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"},{"fixed":"ea160ece08668a30ce69f92cc08e87da54a64a9c"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"},{"fixed":"c34722f0bb9f7efb0e7e7a75a9cb57601132b51f"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"},{"fixed":"253cf30e8d3d001850a95c4729d668f916b037ab"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53293.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.30"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.3.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53293.json"}}],"schema_version":"1.7.5"}