Cyber Resilience

CVE-2021-33631

Medium

Published: 18 January 2024

Published
18 January 2024
Modified
02 April 2025
KEV Added
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Patch
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CVSS Score v3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0019 41.4th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-33631 is a medium-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Openatom Openeuler. Its CVSS base score is 5.5 (Medium).

Operationally, ranked at the 41.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Integer Overflow or Wraparound vulnerability in openEuler kernel on Linux (filesystem modules) allows Forced Integer Overflow.This issue affects openEuler kernel: from 4.19.90 before 4.19.90-2401.3, from 5.10.0-60.18.0 before 5.10.0-183.0.0.

CWE(s)
CWE-190

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

openatom
openeuler
4.19.90 — 4.19.90-2401.3 · 4.19.90 — 4.19.90-2401.3 · 5.10.0-60.18.0 — 5.10.0-183.0.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References