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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2026-71222- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L - Weakness
- CWE-125
- Updated
- 2026-11-02
EUVDEUVD-2026-70450
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.
- Record
EUVD-2026-70450- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-2cw6-9644-c5v7
A heap out-of-bounds read vulnerability was found in gfs2-utils. The ea_num_ptrs field from on...
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.
- Record
GHSA-2cw6-9644-c5v7- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L - Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-71222- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L - CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2026-71222
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.
- Record
DEBIAN-CVE-2026-71222- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-71222
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.
- Record
UBUNTU-CVE-2026-71222- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L - CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H - Updated
- 2026-11-02
OSVAZL-99903 No score
CVE-2026-71222 affecting package gfs2-utils 3.5.1-1
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.
- Record
AZL-99903- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
gfs2-utilsAzure Linux:3 |
through 3.5.1-1 | None known |
gfs2-utilsDebian:12 |
All versions, plus listed versions 3.5.0-23.5.1-13.5.1-23.6.0-13.6.1-13.6.1-2 |
None known |
gfs2-utilsDebian:13 |
All versions, plus listed versions 3.6.1-13.6.1-2 |
None known |
gfs2-utilsDebian:14 |
before 3.6.1-2, plus listed versions 3.6.1-1 |
3.6.1-2 |
gfs2-utilsUbuntu:16.04:LTS |
All versions, plus listed versions 3.1.6-0ubuntu23.1.6-0ubuntu3 |
None known |
gfs2-utilsUbuntu:18.04:LTS |
All versions, plus listed versions 3.1.9-2ubuntu1 |
None known |
gfs2-utilsUbuntu:20.04:LTS |
All versions, plus listed versions 3.2.0-23.2.0-3 |
None known |
gfs2-utilsUbuntu:22.04:LTS |
All versions, plus listed versions 3.3.0-23.4.1-2 |
None known |
gfs2-utilsUbuntu:24.04:LTS |
All versions, plus listed versions 3.5.1-1 |
None known |
gfs2-utilsUbuntu:26.10 |
All versions, plus listed versions 3.6.1-1build13.6.1-2ubuntu1 |
None known |
gfs2-utilsUbuntu:26.04:LTS |
All versions, plus listed versions 3.6.1-13.6.1-1build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-71222 is a medium vulnerability (CVSS 5.3) in Red Hat Enterprise Linux 7, published September 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.11%, the 1st percentile. Fixed in gfs2-utils 3.6.1-2.