{"cve":"CVE-2021-47336","nvd":{"published":"2024-05-21T15:15:20.437","modified":"2026-06-17T04:17:13.620","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmackfs: restrict bytes count in smk_set_cipso()\n\nOops, I failed to update subject line.\n\nFrom 07571157c91b98ce1a4aa70967531e64b78e8346 Mon Sep 17 00:00:00 2001\nDate: Mon, 12 Apr 2021 22:25:06 +0900\nSubject: [PATCH] smackfs: restrict bytes count in smk_set_cipso()\n\nCommit 7ef4c19d245f3dc2 (\"smackfs: restrict bytes count in smackfs write\nfunctions\") missed that count > SMK_CIPSOMAX check applies to only\nformat == SMK_FIXED24_FMT case.","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":[],"references":["https://git.kernel.org/stable/c/135122f174c357b7a3e58f40fa5792156c5e93e6","https://git.kernel.org/stable/c/258fd821f69378453c071b9dd767b298810fc766","https://git.kernel.org/stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0","https://git.kernel.org/stable/c/49ec114a6e62d8d320037ce71c1aaf9650b3cafd","https://git.kernel.org/stable/c/5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2021-47336","score":0.00246,"percentile":0.15929,"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."]}