What is CVE-2021-33630?

CVE-2021-33630 is a medium-severity vulnerability in Openatom Openeuler, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2024-01-18.

How severe is CVE-2021-33630?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2021-33630 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Openatom Openeuler

CVE-2021-33630

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.

EPSS: 0.003 (26.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Openatom Openeuler
Openeuler Kernel — versions 4.19.90

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

securities@openeuler.org (Vendor Advisory)
securities@openeuler.org (Vendor Advisory)
securities@openeuler.org (Release Notes)
securities@openeuler.org
securities@openeuler.org
securities@openeuler.org
securities@openeuler.org
securities@openeuler.org
securities@openeuler.org
securities@openeuler.org

Frequently asked questions

What is CVE-2021-33630?: CVE-2021-33630 is a medium-severity vulnerability in Openatom Openeuler, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2024-01-18.
How severe is CVE-2021-33630?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2021-33630 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.