{"cve":"CVE-2023-53662","nvd":{"published":"2025-10-07T16:15:49.927","modified":"2026-10-28T20:10:00.163","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix memory leaks in ext4_fname_{setup_filename,prepare_lookup}\n\nIf the filename casefolding fails, we'll be leaking memory from the\nfscrypt_name struct, namely from the 'crypto_buf.name' member.\n\nMake sure we free it in the error path on both ext4_fname_setup_filename()\nand ext4_fname_prepare_lookup() functions.","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-401"],"references":["https://git.kernel.org/stable/c/1fb3f1bbfdb511034b0360dbeb0f6a8424ed2a5c","https://git.kernel.org/stable/c/36daf050be3f6f067631dc52054de2d3b7cc849f","https://git.kernel.org/stable/c/7ca4b085f430f3774c3838b3da569ceccd6a0177","https://git.kernel.org/stable/c/98fc9c2cc45cfcb56961a73de3ec69b474063fc0"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-28T20:25:46.008810417+00:00"},"epss":{"cve":"CVE-2023-53662","score":0.0016,"percentile":0.0507,"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."]}