{"cve":"CVE-2021-47538","nvd":{"published":"2024-05-24T15:15:17.750","modified":"2026-06-17T04:17:43.160","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer()\n\nNeed to call rxrpc_put_local() for peer candidate before kfree() as it\nholds a ref to rxrpc_local.\n\n[DH: v2: Changed to abstract the peer freeing code out into a function]","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/3e70e3a72d80b16094faccbe438cd53761c3503a","https://git.kernel.org/stable/c/60f0b9c42cb80833a03ca57c1c8b078d716e71d1","https://git.kernel.org/stable/c/913c24af2d13a3fd304462916ee98e298d56bdce","https://git.kernel.org/stable/c/9469273e616ca8f1b6e3773c5019f21b4c8d828c","https://git.kernel.org/stable/c/beacff50edbd6c9659a6f15fc7f6126909fade29"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2021-47538","score":0.00235,"percentile":0.14553,"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."]}