{"cve":"CVE-2021-47311","nvd":{"published":"2024-05-21T15:15:18.590","modified":"2026-06-17T04:17:09.953","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: qcom/emac: fix UAF in emac_remove\n\nadpt is netdev private data and it cannot be\nused after free_netdev() call. Using adpt after free_netdev()\ncan cause UAF bug. Fix it by moving free_netdev() at the end of the\nfunction.","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/11e9d163d631198bb3eb41a677a61b499516c0f7","https://git.kernel.org/stable/c/2b70ca92847c619d6264c7372ef74fcbfd1e048c","https://git.kernel.org/stable/c/4d04a42b926e682140776e54188f4a44f1f01a81","https://git.kernel.org/stable/c/8a225a6e07a57a1538d53637cb3d82bd3e477839","https://git.kernel.org/stable/c/ad297cd2db8953e2202970e9504cab247b6c7cb4"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2021-47311","score":0.00251,"percentile":0.16491,"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."]}