{"cve":"CVE-2021-33630","nvd":{"published":"2024-01-18T15:15:08.653","modified":"2026-06-17T03:54:53.890","status":"Modified","description":"NULL Pointer Dereference vulnerability in openEuler kernel on Linux (network modules) allows Pointer Manipulation. This vulnerability is associated with program files net/sched/sch_cbs.C.\n\nThis issue affects openEuler kernel: from 4.19.90 before 4.19.90-2401.3.","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":["http://www.openwall.com/lists/oss-security/2024/01/30/10","http://www.openwall.com/lists/oss-security/2024/01/30/3","http://www.openwall.com/lists/oss-security/2024/01/30/4","http://www.openwall.com/lists/oss-security/2024/01/30/5","http://www.openwall.com/lists/oss-security/2024/01/30/9"],"products":["openatom:openeuler"],"source":"nvd","synced_at":"2026-10-19T21:44:57.175229480+00:00"},"epss":{"cve":"CVE-2021-33630","score":0.00341,"percentile":0.27604,"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."]}