{"cve":"CVE-2021-47002","nvd":{"published":"2024-02-28T09:15:38.257","modified":"2026-10-14T13:17:13.247","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nSUNRPC: Fix null pointer dereference in svc_rqst_free()\n\nWhen alloc_pages_node() returns null in svc_rqst_alloc(), the\nnull rq_scratch_page pointer will be dereferenced when calling\nput_page() in svc_rqst_free(). Fix it by adding a null check.\n\nAddresses-Coverity: (\"Dereference after null check\")","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-476"],"references":["https://git.kernel.org/stable/c/1e10f58f1c9a6b667b045513c7a4e6111c24fe7c","https://git.kernel.org/stable/c/3de81c1e84bf84803308da3272a829a7655c5336","https://git.kernel.org/stable/c/b9f83ffaa0c096b4c832a43964fe6bff3acffe10","https://git.kernel.org/stable/c/c664aaec9aee544538a78ba4893a44bc73a6d742","https://git.kernel.org/stable/c/1e10f58f1c9a6b667b045513c7a4e6111c24fe7c"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2021-47002","score":0.00236,"percentile":0.14384,"date":"2026-10-25"},"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."]}