{"cve":"CVE-2023-53391","nvd":{"published":"2025-09-18T14:15:42.237","modified":"2026-06-17T06:45:11.623","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nshmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs\n\nAs the ramfs-based tmpfs uses ramfs_init_fs_context() for the\ninit_fs_context method, which allocates fc->s_fs_info, use ramfs_kill_sb()\nto free it and avoid a memory leak.","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":[],"references":["https://git.kernel.org/stable/c/1f34bf8b442c6d720e7fa6f15e8702427e48aea9","https://git.kernel.org/stable/c/36ce9d76b0a93bae799e27e4f5ac35478c676592","https://git.kernel.org/stable/c/487f229efea80c00dd7397547ec4f25fb8999d99","https://git.kernel.org/stable/c/5fada375113767b3b57f1b04f7a4fe64ffaa626f","https://git.kernel.org/stable/c/ebe07db840992a3886694ac3d303b06f4b70ce00"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:10:08.713834912+00:00"},"epss":{"cve":"CVE-2023-53391","score":0.00148,"percentile":0.03993,"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."]}