{"cve":"CVE-2023-53377","nvd":{"published":"2025-09-18T14:15:40.590","modified":"2026-06-17T06:45:09.000","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: prevent use-after-free by freeing the cfile later\n\nIn smb2_compound_op we have a possible use-after-free\nwhich can cause hard to debug problems later on.\n\nThis was revealed during stress testing with KASAN enabled\nkernel. Fixing it by moving the cfile free call to\na few lines below, after the usage.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-416"],"references":["https://git.kernel.org/stable/c/33f736187d08f6bc822117629f263b97d3df4165","https://git.kernel.org/stable/c/4fe07d55a5461e66a55fbefb57f85ff0facea32b","https://git.kernel.org/stable/c/b6353518ef8180816e863aa23b06456f395404d6","https://git.kernel.org/stable/c/d017880782cf71f8820ee4a2002843893176501d"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:10:08.713834912+00:00"},"epss":{"cve":"CVE-2023-53377","score":0.00152,"percentile":0.04303,"date":"2026-10-31"},"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."]}