{"cve":"CVE-2021-47470","nvd":{"published":"2024-05-22T07:15:11.763","modified":"2026-06-17T04:17:32.923","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm, slub: fix potential use-after-free in slab_debugfs_fops\n\nWhen sysfs_slab_add failed, we shouldn't call debugfs_slab_add() for s\nbecause s will be freed soon.  And slab_debugfs_fops will use s later\nleading to a use-after-free.","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/159d8cfbd0428d487c53be4722f33cdab0d25d83","https://git.kernel.org/stable/c/67823a544414def2a36c212abadb55b23bcda00c","https://git.kernel.org/stable/c/159d8cfbd0428d487c53be4722f33cdab0d25d83","https://git.kernel.org/stable/c/67823a544414def2a36c212abadb55b23bcda00c"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2021-47470","score":0.00202,"percentile":0.10105,"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."]}