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.
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History
Fri, 04 Sep 2026 00:15:00 +0000
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threat_severity
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threat_severity
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Thu, 03 Sep 2026 16:00:00 +0000
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Redhat gfs2-utils
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Redhat gfs2-utils
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Thu, 03 Sep 2026 13:30:00 +0000
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ssvc
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Thu, 03 Sep 2026 12:45:00 +0000
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| 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. | |
| Title | Gfs2-utils: gfs2-utils: stack overflow via alloca(i_height) in metadata walk | |
| First Time appeared |
Redhat
Redhat enterprise Linux |
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| Weaknesses | CWE-770 | |
| CPEs | cpe:/o:redhat:enterprise_linux:7 cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:9 |
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| Vendors & Products |
Redhat
Redhat enterprise Linux |
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cvssV3_1
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Status: PUBLISHED
Assigner: redhat
Published: 2026-09-03T12:23:31.604Z
Updated: 2026-09-03T12:58:06.407Z
Reserved: 2026-08-05T08:51:19.853Z
Link: CVE-2026-71224
Updated: 2026-09-03T12:57:41.999Z
Status : Awaiting Analysis
Published: 2026-09-03T13:06:03.233
Modified: 2026-09-03T18:12:56.407
Link: CVE-2026-71224