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CVE-2026-71224

Gfs2-utils: gfs2-utils: stack overflow via alloca(i_height) in metadata walk

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 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Enterprise Linux Gfs2-utils Rhel Els
CVE-2026-71222

Gfs2-utils: gfs2-utils: heap out-of-bounds read via unchecked ea_num_ptrs in extended attribute processing

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.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Enterprise Linux Gfs2-utils Rhel Els
CVE-2026-71221

Gfs2-utils: gfs2-utils: stack out-of-bounds write via unchecked height in savemeta

A stack out-of-bounds write vulnerability was found in gfs2-utils. In savemeta, the height value from on-disk inode metadata is used as a loop bound without bounds checking, causing a stack buffer overflow that may lead to arbitrary code execution when processing crafted GFS2 filesystem images.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Enterprise Linux Gfs2-utils Rhel Els
CVE-2026-71220

Gfs2-utils: gfs2-utils: stack out-of-bounds write via unchecked di_height in gfs2_edit

A stack out-of-bounds write vulnerability was found in gfs2-utils. In gfs2_edit, the di_height field from on-disk inode metadata is used as an array index without bounds checking, causing a stack buffer overflow that may lead to arbitrary code execution when processing crafted GFS2 filesystem images.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Enterprise Linux Gfs2-utils Rhel Els
CVE-2026-71219

Gfs2-utils: gfs2-utils: stack overflow via alloca(1<<di_depth) in hash table traversal

A stack overflow vulnerability was found in gfs2-utils. The hash table traversal code in metawalk.c uses alloca() with an exponentially-derived size from the untrusted on-disk di_depth field without bounds validation. A crafted GFS2 filesystem image with a large di_depth value causes stack exhaustion and a denial of service when processed by fsck.gfs2, gfs2_edit, or savemeta.

CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Enterprise Linux Gfs2-utils Rhel Els
CVE-2026-71223

gfs2-utils: gfs2-utils: integer overflow in resource group allocation size on 32-bit platforms

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.

CVSS 3.1 · 7.0 High EPSS n/a KEV · Not listed
Vendors
Redhat
Products
Gfs2-utils
CVE-2008-6552

rgmanager: multiple insecure temporary file use issues

Red Hat Cluster Project 2.x allows local users to modify or overwrite arbitrary files via symlink attacks on files in /tmp, involving unspecified components in Resource Group Manager (aka rgmanager) before 2.03.09-1, gfs2-utils before 2.03.09-1, and CMAN - The Cluster Manager before 2.03.09-1 on Fedora 9.

CVSS 2.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Fedoraproject Redhat
Products
Fedora Cluster Project Cman and 4 more