{"cve":"CVE-2023-53664","nvd":{"published":"2025-10-07T16:15:50.163","modified":"2026-10-28T20:10:00.163","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nOPP: Fix potential null ptr dereference in dev_pm_opp_get_required_pstate()\n\n\"opp\" pointer is dereferenced before the IS_ERR_OR_NULL() check. Fix it by\nremoving the dereference to cache opp_table and dereference it directly\nwhere opp_table is used.\n\nThis fixes the following smatch warning:\n\ndrivers/opp/core.c:232 dev_pm_opp_get_required_pstate() warn: variable\ndereferenced before IS_ERR check 'opp' (see line 230)","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/25130b27e0352acb83e91c467853eb9afad3b644","https://git.kernel.org/stable/c/7ddd8deb1c3c0363a7e14fafb5df26e2089a69a5"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-28T20:25:46.008810417+00:00"},"epss":{"cve":"CVE-2023-53664","score":0.0013,"percentile":0.02634,"date":"2026-10-28"},"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."]}