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CVE-2018-10906

In fuse before versions 2.9.8 and 3.x before 3.2.5, fusermount is vulnerable to a restriction...

5.3 MediumPublic exploitFix available

In fuse before versions 2.9.8 and 3.x before 3.2.5, fusermount is vulnerable to a restriction bypass when SELinux is active. This allows non-root users to mount a FUSE file system with the 'allow_other' mount option regardless of whether 'user_allow_other' is set in the fuse configuration. An attacker may use this flaw to mount a FUSE file system, accessible by other users, and trick them into accessing files on that file system, possibly causing Denial of Service or other unspecified effects.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

Exploit likelihood

1.41%Down 8.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 5.3

In fuse before versions 2.9.8 and 3.x before 3.2.5, fusermount is vulnerable to a restriction bypass when SELinux is active. This allows non-root users to mount a FUSE file system with the 'allow_other' mount option regardless of whether 'user_allow_other' is set in the fuse configuration. An attacker may use this flaw to mount a FUSE file system, accessible by other users, and trick them into accessing files on that file system, possibly causing Denial of Service or other unspecified effects.

Record
CVE-2018-10906
CVSS 3.0
5.3 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness
CWE-285
Updated
2026-11-02
EUVDEUVD-2018-2962 5.3

In fuse before versions 2.9.8 and 3.x before 3.2.5, fusermount is vulnerable to a restriction bypass when SELinux is active. This allows non-root users to mount a FUSE file system with the 'allow_other' mount option regardless of whether 'user_allow_other' is set in the fuse configuration. An attacker may use this flaw to mount a FUSE file system, accessible by other users, and trick them into accessing files on that file system, possibly causing Denial of Service or other unspecified effects.

Record
EUVD-2018-2962
CVSS 3.0
5.3 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Updated
2026-11-03
GitHub AdvisoriesGHSA-35h9-x59q-8xcf 7.8

In fuse before versions 2.9.8 and 3.x before 3.2.5, fusermount is vulnerable to a restriction...

In fuse before versions 2.9.8 and 3.x before 3.2.5, fusermount is vulnerable to a restriction bypass when SELinux is active. This allows non-root users to mount a FUSE file system with the 'allow_other' mount option regardless of whether 'user_allow_other' is set in the fuse configuration. An attacker may use this flaw to mount a FUSE file system, accessible by other users, and trick them into accessing files on that file system, possibly causing Denial of Service or other unspecified effects.

Record
GHSA-35h9-x59q-8xcf
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-269
Updated
2026-11-02
NVD 5.3

In fuse before versions 2.9.8 and 3.x before 3.2.5, fusermount is vulnerable to a restriction bypass when SELinux is active. This allows non-root users to mount a FUSE file system with the 'allow_other' mount option regardless of whether 'user_allow_other' is set in the fuse configuration. An attacker may use this flaw to mount a FUSE file system, accessible by other users, and trick them into accessing files on that file system, possibly causing Denial of Service or other unspecified effects.

Record
CVE-2018-10906
CVSS 3.0
5.3 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
4.6 MediumAV:L/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-285, CWE-269
Updated
2026-11-02
OSVALPINE-CVE-2018-10906 7.8

In fuse before versions 2.9.8 and 3.x before 3.2.5, fusermount is vulnerable to a restriction bypass when SELinux is active. This allows non-root users to mount a FUSE file system with the 'allow_other' mount option regardless of whether 'user_allow_other' is set in the fuse configuration. An attacker may use this flaw to mount a FUSE file system, accessible by other users, and trick them into accessing files on that file system, possibly causing Denial of Service or other unspecified effects.

Record
ALPINE-CVE-2018-10906
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVAZL-34694 7.8

CVE-2018-10906 affecting package fuse for versions less than 2.9.7-10

In fuse before versions 2.9.8 and 3.x before 3.2.5, fusermount is vulnerable to a restriction bypass when SELinux is active. This allows non-root users to mount a FUSE file system with the 'allow_other' mount option regardless of whether 'user_allow_other' is set in the fuse configuration. An attacker may use this flaw to mount a FUSE file system, accessible by other users, and trick them into accessing files on that file system, possibly causing Denial of Service or other unspecified effects.

Record
AZL-34694
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-05
Show 10 moreShow less
OSVAZL-6430 7.8

CVE-2018-10906 affecting package fuse for versions less than 2.9.7-10

In fuse before versions 2.9.8 and 3.x before 3.2.5, fusermount is vulnerable to a restriction bypass when SELinux is active. This allows non-root users to mount a FUSE file system with the 'allow_other' mount option regardless of whether 'user_allow_other' is set in the fuse configuration. An attacker may use this flaw to mount a FUSE file system, accessible by other users, and trick them into accessing files on that file system, possibly causing Denial of Service or other unspecified effects.

Record
AZL-6430
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVBELL-CVE-2018-10906 7.8

CVE-2018-10906 does not affect BellSoft software

Record
BELL-CVE-2018-10906
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSV 7.8

In fuse before versions 2.9.8 and 3.x before 3.2.5, fusermount is vulnerable to a restriction bypass when SELinux is active. This allows non-root users to mount a FUSE file system with the 'allow_other' mount option regardless of whether 'user_allow_other' is set in the fuse configuration. An attacker may use this flaw to mount a FUSE file system, accessible by other users, and trick them into accessing files on that file system, possibly causing Denial of Service or other unspecified effects.

Record
CVE-2018-10906
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-10906 7.8

In fuse before versions 2.9.8 and 3.x before 3.2.5, fusermount is vulnerable to a restriction bypass when SELinux is active. This allows non-root users to mount a FUSE file system with the 'allow_other' mount option regardless of whether 'user_allow_other' is set in the fuse configuration. An attacker may use this flaw to mount a FUSE file system, accessible by other users, and trick them into accessing files on that file system, possibly causing Denial of Service or other unspecified effects.

Record
DEBIAN-CVE-2018-10906
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2018:3324 5.3

Red Hat Security Advisory: fuse security update

Record
RHSA-2018:3324
CVSS 3.0
5.3 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Updated
2026-11-02
OSVUBUNTU-CVE-2018-10906 5.3

In fuse before versions 2.9.8 and 3.x before 3.2.5, fusermount is vulnerable to a restriction bypass when SELinux is active. This allows non-root users to mount a FUSE file system with the 'allow_other' mount option regardless of whether 'user_allow_other' is set in the fuse configuration. An attacker may use this flaw to mount a FUSE file system, accessible by other users, and trick them into accessing files on that file system, possibly causing Denial of Service or other unspecified effects.

Record
UBUNTU-CVE-2018-10906
CVSS 3.0
5.3 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVSUSE-SU-2018:3219-1 No score

Security update for fuse

This update for fuse fixes the following security issue:

  • CVE-2018-10906: fusermount was vulnerable to a restriction bypass when SELinux is active. This allowed non-root users to mount a FUSE file system with the 'allow_other' mount option regardless of whether 'user_allow_other' is set in the fuse configuration. An attacker may use this flaw to mount a FUSE file system, accessible by other users, and trick them into accessing files on that file system, possibly causing Denial of Service or other unspecified effects (bsc#1101797)
Record
SUSE-SU-2018:3219-1
Updated
2026-11-02
OSVSUSE-SU-2018:3260-1 No score

Security update for fuse

This update for fuse fixes the following issues:

  • CVE-2018-10906: fusermount was vulnerable to a restriction bypass when SELinux is active. This allowed non-root users to mount a FUSE file system with the 'allow_other' mount option regardless of whether 'user_allow_other' is set in the fuse configuration. An attacker may use this flaw to mount a FUSE file system, accessible by other users, and trick them into accessing files on that file system, possibly causing Denial of Service or other unspecified effects (bsc#1101797)
Record
SUSE-SU-2018:3260-1
Updated
2026-11-02
OSVSUSE-SU-2019:13948-1 No score

Security update for fuse

This update for fuse fixes the following issues:

Security issue fixed:

  • CVE-2018-10906: Fix a bypass of the user_allow_other restriction (bsc#1101797)
Record
SUSE-SU-2019:13948-1
Updated
2026-11-02
OSVUSN-5326-1 No score

fuse vulnerability

It was discovered that FUSE is susceptible to a restriction bypass flaw on a system that has SELinux active. A local attacker with non-root privileges could mount a FUSE file system that is accessible to other users and trick them into accessing files on that file system, which could result in a Denial of Service or other unspecified conditions.

Record
USN-5326-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
fuse
Alpine:v3.10
 3.0 up to 2.9.8-r0
2.9.8-r0
fuse
Alpine:v3.11
 3.0 up to 2.9.8-r0
2.9.8-r0
fuse
Alpine:v3.12
 3.0 up to 2.9.8-r0
2.9.8-r0
fuse
Alpine:v3.13
 3.0 up to 2.9.8-r0
2.9.8-r0
fuse
Alpine:v3.14
 3.0 up to 2.9.8-r0
2.9.8-r0
fuse
Alpine:v3.15
 3.0 up to 2.9.8-r0
2.9.8-r0
fuse
Alpine:v3.16
 3.0 up to 2.9.8-r0
2.9.8-r0
fuse
Alpine:v3.17
 3.0 up to 2.9.8-r0
2.9.8-r0
fuse
Alpine:v3.18
 3.0 up to 2.9.8-r0
2.9.8-r0
fuse
Alpine:v3.19
 3.0 up to 2.9.8-r0
2.9.8-r0
Show 58 moreShow less
Affected packages
PackageAffectedFixed
fuse
Alpine:v3.20
 3.0 up to 2.9.8-r0
2.9.8-r0
fuse
Alpine:v3.5
 3.0 up to 2.9.8-r0
2.9.8-r0
fuse
Alpine:v3.6
 3.0 up to 2.9.8-r0
2.9.8-r0
fuse
Alpine:v3.7
 3.0 up to 2.9.8-r0
2.9.8-r0
fuse
Alpine:v3.8
 3.0 up to 2.9.8-r0
2.9.8-r0
fuse
Alpine:v3.9
 3.0 up to 2.9.8-r0
2.9.8-r0
fuse3
Alpine:v3.10
 before 3.2.5-r0
3.2.5-r0
fuse3
Alpine:v3.11
 before 3.2.5-r0
3.2.5-r0
fuse3
Alpine:v3.12
 before 3.2.5-r0
3.2.5-r0
fuse3
Alpine:v3.13
 before 3.2.5-r0
3.2.5-r0
fuse3
Alpine:v3.14
 before 3.2.5-r0
3.2.5-r0
fuse3
Alpine:v3.15
 before 3.2.5-r0
3.2.5-r0
fuse3
Alpine:v3.16
 before 3.2.5-r0
3.2.5-r0
fuse3
Alpine:v3.17
 before 3.2.5-r0
3.2.5-r0
fuse3
Alpine:v3.18
 before 3.2.5-r0
3.2.5-r0
fuse3
Alpine:v3.19
 before 3.2.5-r0
3.2.5-r0
fuse3
Alpine:v3.20
 before 3.2.5-r0
3.2.5-r0
fuse3
Alpine:v3.21
 before 3.2.5-r0
3.2.5-r0
fuse3
Alpine:v3.22
 before 3.2.5-r0
3.2.5-r0
fuse3
Alpine:v3.23
 before 3.2.5-r0
3.2.5-r0
fuse3
Alpine:v3.24
 before 3.2.5-r0
3.2.5-r0
fuse3
Alpine:v3.9
 before 3.2.5-r0
3.2.5-r0
fuse
Azure Linux:3
 before 2.9.7-10
2.9.7-10
fuse
Azure Linux:2
 before 2.9.7-10
2.9.7-10
fuse
Debian:12
 before 2.9.8-1
2.9.8-1
fuse
Debian:13
 before 2.9.8-1
2.9.8-1
fuse3
Debian:12
 before 3.2.6-1
3.2.6-1
fuse3
Debian:13
 before 3.2.6-1
3.2.6-1
fuse3
Debian:14
 before 3.2.6-1
3.2.6-1
fuse
Debian:8
 before 2.9.3-15+deb8u3, plus listed versions
2.9.3-152.9.3-15+deb8u12.9.3-15+deb8u2
2.9.3-15+deb8u3
fuse
Debian:9
 before 2.9.7-1+deb9u1, plus listed versions
2.9.7-1
2.9.7-1+deb9u1
fuse
Red Hat:enterprise_linux:7::client
 before 0:2.9.2-11.el7
0:2.9.2-11.el7
fuse-debuginfo
Red Hat:enterprise_linux:7::client
 before 0:2.9.2-11.el7
0:2.9.2-11.el7
fuse-libs
Red Hat:enterprise_linux:7::client
 before 0:2.9.2-11.el7
0:2.9.2-11.el7
fuse-devel
Red Hat:enterprise_linux:7::client
 before 0:2.9.2-11.el7
0:2.9.2-11.el7
fuse
Red Hat:enterprise_linux:7::computenode
 before 0:2.9.2-11.el7
0:2.9.2-11.el7
fuse-debuginfo
Red Hat:enterprise_linux:7::computenode
 before 0:2.9.2-11.el7
0:2.9.2-11.el7
fuse-libs
Red Hat:enterprise_linux:7::computenode
 before 0:2.9.2-11.el7
0:2.9.2-11.el7
fuse-devel
Red Hat:enterprise_linux:7::computenode
 before 0:2.9.2-11.el7
0:2.9.2-11.el7
fuse
Red Hat:enterprise_linux:7::server
 before 0:2.9.2-11.el7
0:2.9.2-11.el7
fuse-debuginfo
Red Hat:enterprise_linux:7::server
 before 0:2.9.2-11.el7
0:2.9.2-11.el7
fuse-devel
Red Hat:enterprise_linux:7::server
 before 0:2.9.2-11.el7
0:2.9.2-11.el7
fuse-libs
Red Hat:enterprise_linux:7::server
 before 0:2.9.2-11.el7
0:2.9.2-11.el7
fuse
Red Hat:enterprise_linux:7::workstation
 before 0:2.9.2-11.el7
0:2.9.2-11.el7
fuse-debuginfo
Red Hat:enterprise_linux:7::workstation
 before 0:2.9.2-11.el7
0:2.9.2-11.el7
fuse-devel
Red Hat:enterprise_linux:7::workstation
 before 0:2.9.2-11.el7
0:2.9.2-11.el7
fuse-libs
Red Hat:enterprise_linux:7::workstation
 before 0:2.9.2-11.el7
0:2.9.2-11.el7
fuse
SUSE:Linux Enterprise Desktop 12 SP3
 before 2.9.3-6.3.1
2.9.3-6.3.1
fuse
SUSE:Linux Enterprise Software Development Kit 12 SP3
 before 2.9.3-6.3.1
2.9.3-6.3.1
fuse
SUSE:Linux Enterprise Server 12 SP3
 before 2.9.3-6.3.1
2.9.3-6.3.1
fuse
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
 before 2.9.3-6.3.1
2.9.3-6.3.1
fuse
SUSE:Linux Enterprise Module for Basesystem 15
 before 2.9.7-3.3.1
2.9.7-3.3.1
fuse
SUSE:Linux Enterprise Software Development Kit 11 SP4
 before 2.8.7-0.11.3.1
2.8.7-0.11.3.1
fuse
SUSE:Linux Enterprise Server 11 SP4
 before 2.8.7-0.11.3.1
2.8.7-0.11.3.1
fuse
SUSE:Linux Enterprise Server for SAP Applications 11 SP4
 before 2.8.7-0.11.3.1
2.8.7-0.11.3.1
fuse
Ubuntu:14.04:LTS
 All versions, plus listed versions
2.9.2-4ubuntu32.9.2-4ubuntu42.9.2-4ubuntu4.14.04.1
 None known
fuse
Ubuntu:Pro:16.04:LTS
 before 2.9.4-1ubuntu3.1+esm1, plus listed versions
2.9.4-1ubuntu12.9.4-1ubuntu22.9.4-1ubuntu32.9.4-1ubuntu3.1
2.9.4-1ubuntu3.1+esm1
fuse
Ubuntu:18.04:LTS
 All versions, plus listed versions
2.9.7-1ubuntu1
 None known

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBfusermount - user_allow_other Restriction Bypass and SELinux Label Control2018-07-30

History

History
RecordedChangedSources
factsOSV
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-10906 is a medium vulnerability (CVSS 5.3) in [unknown] Fuse, published July 24, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.41%, the 72nd percentile. Fixed in fuse 2.9.8-r0.

References

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