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Vulnerability record · CVE-2026-71224 · published 3 September 2026

CVE-2026-71224: Redhat enterprise linux allocation without limits vulnerability

Redhat · Enterprise Linux

A stack overflow vulnerability was found in gfs2-utils. The metadata walk code in metawalk.c uses alloca() with an untrusted inode height value from on-disk metadata without bounds validation, causing stack exhaustion and a denial of service when processing crafted GFS2 filesystem images.

4.7 CVSS 3.1 Medium EPSS 0.14% · top 97.0% CWE-770 · Allocation without limits
4.7CVSS 3.1 base score
0.14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
22 Sep 2026Last modified by NVD

Description

A stack overflow vulnerability was found in gfs2-utils. The metadata walk code in metawalk.c uses alloca() with an untrusted inode height value from on-disk metadata without bounds validation, causing stack exhaustion and a denial of service when processing crafted GFS2 filesystem images.

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/security/cve/CVE-2026-71224 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2511397 Issue TrackingVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-71224), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.