An integer overflow vulnerability was found in gfs2-utils. The resource group allocation size computation on 32-bit platforms causes an undersized buffer allocation followed by heap out-of-bounds writes when processing crafted GFS2 filesystem images. This vulnerability does not affect 64-bit builds.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

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Project Subscriptions

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://nvd.nist.gov/vuln/detail/CVE-2026-71223 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-71223 cve-icon
History

Fri, 04 Sep 2026 00:15:00 +0000

Type Values Removed Values Added
Description An integer overflow vulnerability was found in gfs2-utils. The resource group allocation size computation on 32-bit platforms causes an undersized buffer allocation followed by heap out-of-bounds writes when processing crafted GFS2 filesystem images. This vulnerability does not affect 64-bit builds.
Title gfs2-utils: gfs2-utils: integer overflow in resource group allocation size on 32-bit platforms
Weaknesses CWE-190
References
Metrics threat_severity

None

 cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}

threat_severity

Moderate

Projects

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cve-icon MITRE

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cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

Severity : Moderate

Publid Date: 2026-09-03T11:49:47Z

Links: CVE-2026-71223 - Bugzilla

cve-icon OpenCVE Enrichment

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Weaknesses