{"cve":"CVE-2021-47143","nvd":{"published":"2024-03-25T09:15:08.900","modified":"2026-06-17T04:16:38.720","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: remove device from smcd_dev_list after failed device_add()\n\nIf the device_add() for a smcd_dev fails, there's no cleanup step that\nrolls back the earlier list_add(). The device subsequently gets freed,\nand we end up with a corrupted list.\n\nAdd some error handling that removes the device from the list.","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-459"],"references":["https://git.kernel.org/stable/c/40588782f1016c655ae1d302892f61d35af96842","https://git.kernel.org/stable/c/444d7be9532dcfda8e0385226c862fd7e986f607","https://git.kernel.org/stable/c/8b2cdc004d21a7255f219706dca64411108f7897","https://git.kernel.org/stable/c/40588782f1016c655ae1d302892f61d35af96842","https://git.kernel.org/stable/c/444d7be9532dcfda8e0385226c862fd7e986f607"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:47:51.568503435+00:00"},"epss":{"cve":"CVE-2021-47143","score":0.00225,"percentile":0.13214,"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."]}