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. This issue affects openEuler kernel: from 4.19.90 before 4.19.90-2401.3.
Published 2024-01-18 15:15:09
Updated 2025-02-13 17:15:31
Source openEuler
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Products affected by CVE-2021-33630

Exploit prediction scoring system (EPSS) score for CVE-2021-33630

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 8 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-33630

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.5
MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1.8
3.6
NIST 2024-01-25
5.5
MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1.8
3.6
openEuler 2024-01-18

CWE ids for CVE-2021-33630

  • The product dereferences a pointer that it expects to be valid but is NULL.
    Assigned by:
    • nvd@nist.gov (Primary)
    • securities@openeuler.org (Secondary)

References for CVE-2021-33630

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