{"cve":"CVE-2023-53292","nvd":{"published":"2025-09-16T08:15:38.457","modified":"2026-10-15T01:17:16.800","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nblk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none\n\nAfter grabbing q->sysfs_lock, q->elevator may become NULL because of\nelevator switch.\n\nFix the NULL dereference on q->elevator by checking it with lock.","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":["CWE-476"],"references":["https://git.kernel.org/stable/c/245165658e1c9f95c0fecfe02b9b1ebd30a1198a","https://git.kernel.org/stable/c/3e977386521b71471e66ec2ba82efdfcc456adf2","https://git.kernel.org/stable/c/988ddb77218d3975dd13dee7bb0e1fae098a9fdb","https://cert-portal.siemens.com/productcert/html/ssa-019113.html","https://cert-portal.siemens.com/productcert/html/ssa-457936.html"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:08:41.295252406+00:00"},"epss":{"cve":"CVE-2023-53292","score":0.0015,"percentile":0.04115,"date":"2026-10-25"},"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."]}