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gfs2-utils CVE-2026-71222

| EUVDEUVD-2026-70450 MEDIUM
Out-of-bounds Read (CWE-125)
2026-09-03 redhat GHSA-2cw6-9644-c5v7
5.3
CVSS 3.1 · Vendor: redhat
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Severity by source

Vendor (redhat) PRIMARY
5.3 MEDIUM
AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L
vuln.today AI
5.3 MEDIUM

Local vector and required user interaction match the crafted-image processing requirement; C:H reflects potential heap memory disclosure, A:L for crash risk only.

3.1 AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L
4.0 AV:L/AC:H/AT:N/PR:N/UI:A/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N
SUSE
6.1 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Red Hat
5.3 MEDIUM
qualitative

Primary rating from Vendor (redhat).

CVSS VectorVendor: redhat

Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
Low

Lifecycle Timeline

3
Metadata Corrected
Sep 03, 2026 - 13:40 vuln.today
tag: Buffer Overflow removed
Analysis Generated
Sep 03, 2026 - 13:24 vuln.today
CVE Published
Sep 03, 2026 - 12:23 nvd
MEDIUM 5.3

DescriptionCVE.org

A heap out-of-bounds read vulnerability was found in gfs2-utils. The ea_num_ptrs field from on-disk extended attribute metadata is consumed without bounds validation, causing a heap buffer over-read that may disclose sensitive memory contents or cause a crash when processing crafted GFS2 filesystem images.

AnalysisAI

Heap out-of-bounds read in gfs2-utils enables memory disclosure and potential crashes when parsing crafted GFS2 filesystem images. The ea_num_ptrs field embedded in on-disk extended attribute metadata is consumed without validating it against the available buffer boundary, allowing an attacker who controls a filesystem image to trigger a heap over-read. …

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Attack ChainAIDerived

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Exploit
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Vulnerability AssessmentAI

Exploitation Exploitation requires an attacker to supply a maliciously crafted GFS2 filesystem image to a user or process that will invoke gfs2-utils against it. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 5.3 Medium score with vector AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L accurately reflects a constrained attack profile. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Monitor https://access.redhat.com/security/cve/CVE-2026-71222 and Red Hat Bugzilla ID 2511399 for updated gfs2-utils RPM packages and apply them for RHEL 7, 8, and 9 as soon as vendor-confirmed versions become available - no fixed version is confirmed in the provided data. … Detailed patch versions, workarounds, and compensating controls in full report.

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Vendor StatusVendor

SUSE

Severity: Moderate
Product Status
SUSE Linux Enterprise High Availability Extension 15 SP7 Affected
SUSE Linux Enterprise High Availability Extension 16.0 Affected
SUSE Linux Enterprise High Availability Extension 16.1 Affected
SUSE Linux Enterprise Server for SAP applications 16.0 Affected
SUSE Linux Enterprise Server for SAP applications 16.1 Affected

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CVE-2026-71222 vulnerability details – vuln.today

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