glusterfs: Repeat use of "GF_META_LOCK_KEY" xattr allows for memory exhaustion
Published Nov 1, 2018
6.5
MEDIUMCVSS 3.1
EPSS 2.51%
Description
A flaw was found in glusterfs server through versions 4.1.4 and 3.1.2 which allowed repeated usage of GF_META_LOCK_KEY xattr. A remote, authenticated attacker could use this flaw to create multiple locks for single inode by using setxattr repetitively resulting in memory exhaustion of glusterfs server node.
Affected products
- Vendor n/a Product Glusterfs Defaultn/a
- Version affected versions through 3.1.2StatusaffectedConstraints-
- Version affected versions through 4.1.4StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n/a | Glusterfs | n/a |
|
Configuration 1
Configuration 2
- 4.0
- 6.0
- 7.0
Configuration 3
- 4.0
- 4.0
Running on/with
- 7.0
Configuration 4
- 9.0
No data.
Native Client for RHEL 6 for Red Hat Storage
glusterfs-0:3.12.2-25.el6
Fixed · RHSA-2018:3431
Native Client for RHEL 7 for Red Hat Storage
glusterfs-0:3.12.2-25.el7
Fixed · RHSA-2018:3432
Red Hat Gluster Storage 3.4 for RHEL 6
glusterfs-0:3.12.2-25.el6rhs
Fixed · RHSA-2018:3431
Red Hat Gluster Storage 3.4 for RHEL 6
redhat-storage-server-0:3.4.1.0-1.el6rhs
Fixed · RHSA-2018:3431
Red Hat Gluster Storage 3.4 for RHEL 7
glusterfs-0:3.12.2-25.el7rhgs
Fixed · RHSA-2018:3432
Red Hat Gluster Storage 3.4 for RHEL 7
redhat-storage-server-0:3.4.1.0-1.el7rhgs
Fixed · RHSA-2018:3432
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7
glusterfs-0:3.12.2-25.el7
Fixed · RHSA-2018:3432
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7
imgbased-0:1.0.29-1.el7ev
Fixed · RHSA-2018:3470
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7
redhat-release-virtualization-host-0:4.2-7.3.el7
Fixed · RHSA-2018:3470
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7
redhat-virtualization-host-0:4.2-20181026.0.el7_6
Fixed · RHSA-2018:3470
Red Hat Enterprise Linux 6
glusterfs
Not affected
Red Hat Enterprise Linux 7
glusterfs
Not affected
Red Hat Enterprise Linux 8
glusterfs
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Native Client for RHEL 6 for Red Hat Storage | glusterfs-0:3.12.2-25.el6 | Fixed | RHSA-2018:3431 |
| Native Client for RHEL 7 for Red Hat Storage | glusterfs-0:3.12.2-25.el7 | Fixed | RHSA-2018:3432 |
| Red Hat Gluster Storage 3.4 for RHEL 6 | glusterfs-0:3.12.2-25.el6rhs | Fixed | RHSA-2018:3431 |
| Red Hat Gluster Storage 3.4 for RHEL 6 | redhat-storage-server-0:3.4.1.0-1.el6rhs | Fixed | RHSA-2018:3431 |
| Red Hat Gluster Storage 3.4 for RHEL 7 | glusterfs-0:3.12.2-25.el7rhgs | Fixed | RHSA-2018:3432 |
| Red Hat Gluster Storage 3.4 for RHEL 7 | redhat-storage-server-0:3.4.1.0-1.el7rhgs | Fixed | RHSA-2018:3432 |
| Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 | glusterfs-0:3.12.2-25.el7 | Fixed | RHSA-2018:3432 |
| Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 | imgbased-0:1.0.29-1.el7ev | Fixed | RHSA-2018:3470 |
| Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 | redhat-release-virtualization-host-0:4.2-7.3.el7 | Fixed | RHSA-2018:3470 |
| Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 | redhat-virtualization-host-0:4.2-20181026.0.el7_6 | Fixed | RHSA-2018:3470 |
| Red Hat Enterprise Linux 6 | glusterfs | Not affected | n/a |
| Red Hat Enterprise Linux 7 | glusterfs | Not affected | n/a |
| Red Hat Enterprise Linux 8 | glusterfs | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect Red Hat Enterprise Linux 6 and 7 as the flaw is present in glusterfs-server, which is not shipped there. This flaw affects glusterfs versions included in Red Hat Virtualization 4 Hypervisor. However, in recommended configurations, the vulnerability is only exposed to hypervisor administrators and can not be exploited from virtual machines or other hosts on the network.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:S/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.51% (0.02515) | 84.24th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.51% (0.02515) | 82.70th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.79% (0.01793) | 81.13th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.92% (0.02924) | 77.33th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.89% (0.00894) | 82.83th | v3 (v2023.03.01) |
| Jun 20, 2024 | 0.89% (0.00894) | 82.73th | v3 (v2023.03.01) |
| Mar 24, 2024 | 0.63% (0.00631) | 78.59th | v3 (v2023.03.01) |
| Oct 26, 2023 | 0.66% (0.00659) | 77.23th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.67% (0.00672) | 76.66th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.23% (0.01232) | 67.28th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.23% (0.01232) | 41.02th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.82% (0.01823) | 35.21th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.57% (0.01565) | 0.00th | v1 |
References (10)
- https://access.redhat.com/errata/RHSA-2018:3431 vendor-advisoryx_refsource_REDHATVendor Advisory
- https://access.redhat.com/errata/RHSA-2018:3432 vendor-advisoryx_refsource_REDHATVendor Advisory
- https://access.redhat.com/errata/RHSA-2018:3470 vendor-advisoryx_refsource_REDHATVendor Advisory
- https://access.redhat.com/security/cve/CVE-2018-14660 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1635926 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14660 x_refsource_CONFIRMIssue TrackingVendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/11/msg00000.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-14660
- https://security.gentoo.org/glsa/201904-06 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-14660
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2018:3431 | vendor-advisoryx_refsource_REDHATVendor Advisory | |
| https://access.redhat.com/errata/RHSA-2018:3432 | vendor-advisoryx_refsource_REDHATVendor Advisory | |
| https://access.redhat.com/errata/RHSA-2018:3470 | vendor-advisoryx_refsource_REDHATVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2018-14660 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1635926 | Issue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14660 | x_refsource_CONFIRMIssue TrackingVendor Advisory | |
| https://lists.debian.org/debian-lts-announce/2021/11/msg00000.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-14660 | ||
| https://security.gentoo.org/glsa/201904-06 | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-14660 |
Change history (0)
No recorded changes yet.