{"cve":"CVE-2021-47298","nvd":{"published":"2024-05-21T15:15:17.657","modified":"2026-06-17T04:17:08.140","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, sockmap: Fix potential memory leak on unlikely error case\n\nIf skb_linearize is needed and fails we could leak a msg on the error\nhandling. To fix ensure we kfree the msg block before returning error.\nFound during code review.","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-401"],"references":["https://git.kernel.org/stable/c/6c508a1c6c62793dc6e6872cad4b200097bab7c9","https://git.kernel.org/stable/c/715f378f42909c401ec043f5150c4fdf57fb8889","https://git.kernel.org/stable/c/7e6b27a69167f97c56b5437871d29e9722c3e470","https://git.kernel.org/stable/c/6c508a1c6c62793dc6e6872cad4b200097bab7c9","https://git.kernel.org/stable/c/715f378f42909c401ec043f5150c4fdf57fb8889"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2021-47298","score":0.00232,"percentile":0.14113,"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."]}