{"cve":"CVE-2023-54309","nvd":{"published":"2025-12-30T13:16:20.083","modified":"2026-06-17T06:47:12.037","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: tpm_vtpm_proxy: fix a race condition in /dev/vtpmx creation\n\n/dev/vtpmx is made visible before 'workqueue' is initialized, which can\nlead to a memory corruption in the worst case scenario.\n\nAddress this by initializing 'workqueue' as the very first step of the\ndriver initialization.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/04e8697d26613ccea760cf57eb20a5a27f788c0f","https://git.kernel.org/stable/c/092db954e2c3c5ba6c0ce990c7da72cf8f3b9c51","https://git.kernel.org/stable/c/509d21f1c4bb9d35d397fca3226165b156a7639f","https://git.kernel.org/stable/c/86b9820395f226b8f33cbae9599deebf8af1ce72","https://git.kernel.org/stable/c/99b998fb9d7d2d2d9dbb3e19db2d0ade02f5a604"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:18:08.089039631+00:00"},"epss":{"cve":"CVE-2023-54309","score":0.0021,"percentile":0.11216,"date":"2026-11-01"},"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."]}