Kernel crash in EXT4 filesystem
CVE-2021-33631

7.8HIGH

Key Information:

Vendor

Openeuler

Status
Vendor
CVE Published:
18 January 2024

What is CVE-2021-33631?

An integer overflow or wraparound vulnerability exists in the openEuler kernel utilized within Linux filesystem modules. This flaw can lead to forced integer overflow, potentially enabling attackers to manipulate system resources or exploit further vulnerabilities. The issue affects openEuler kernel versions earlier than 4.19.90-2401.3 and 5.10.0-183.0.0, highlighting the need for users to update their systems to mitigate risks associated with this vulnerability. Vigilant system maintenance and timely updates are essential in maintaining security integrity.

Affected Version(s)

kernel Linux 4.19.90 < 4.19.90-2401.3

kernel Linux 5.10.0-60.18.0 < 5.10.0-183.0.0

References

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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