{"id":"CVE-2023-53292","summary":"blk-mq: fix NULL dereference on q-\u003eelevator in blk_mq_elv_switch_none","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nblk-mq: fix NULL dereference on q-\u003eelevator in blk_mq_elv_switch_none\n\nAfter grabbing q-\u003esysfs_lock, q-\u003eelevator may become NULL because of\nelevator switch.\n\nFix the NULL dereference on q-\u003eelevator by checking it with lock.","modified":"2026-04-02T09:43:56.405671Z","published":"2025-09-16T08:11:24.583Z","related":["SUSE-SU-2025:03600-1","SUSE-SU-2025:03634-1","SUSE-SU-2025:20851-1","SUSE-SU-2025:20861-1","SUSE-SU-2025:20870-1","SUSE-SU-2025:20898-1","SUSE-SU-2025:3751-1","SUSE-SU-2025:4057-1","SUSE-SU-2025:4132-1","SUSE-SU-2025:4141-1","SUSE-SU-2025:4189-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53292.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/245165658e1c9f95c0fecfe02b9b1ebd30a1198a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3e977386521b71471e66ec2ba82efdfcc456adf2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53292.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53292"},{"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":"5fd7a84a09e640016fe106dd3e992f5210e23dc7"},{"fixed":"3e977386521b71471e66ec2ba82efdfcc456adf2"},{"fixed":"245165658e1c9f95c0fecfe02b9b1ebd30a1198a"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53292.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}