CVE-2021-3428 - Vulnerability Details - OpenCVE

A flaw was found in the Linux kernel. A denial of service problem is identified if an extent tree is corrupted in a crafted ext4 filesystem in fs/ext4/extents.c in ext4_es_cache_extent. Fabricating an integer overflow, A local attacker with a special user privilege may cause a system crash problem which can lead to an availability threat.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Complete

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Linux	Linux Kernel
Redhat	Enterprise Linux

Configuration 1 [-]

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Package	CPE	Advisory	Released Date
Red Hat Enterprise Linux 8
kernel-rt-0:4.18.0-305.rt7.72.el8	cpe:/a:redhat:enterprise_linux:8::nfv	RHSA-2021:1739	2021-05-18T00:00:00Z
kernel-0:4.18.0-305.el8	cpe:/o:redhat:enterprise_linux:8	RHSA-2021:1578	2021-05-18T00:00:00Z

References

Link	Providers
https://bugzilla.redhat.com/show_bug.cgi?id=1972621
https://nvd.nist.gov/vuln/detail/CVE-2021-3428
https://ubuntu.com/security/CVE-2021-3428
https://www.cve.org/CVERecord?id=CVE-2021-3428
https://www.openwall.com/lists/oss-security/2021/03/17/1

History

No history.

MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2022-03-04T17:19:22

Updated: 2024-08-03T16:53:17.577Z

Reserved: 2021-03-10T00:00:00

Link: CVE-2021-3428

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-03-04T18:15:08.130

Modified: 2024-11-21T06:21:29.090

Link: CVE-2021-3428

Redhat

Severity : Moderate

Publid Date: 2021-01-24T00:00:00Z

Links: CVE-2021-3428 - Bugzilla

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