What’s Vulnerable › Vulnerabilities

CVE-2018-10926

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-09-04 · updated 2026-06-17
• Weakness: CWE-20

Description

A flaw was found in RPC request using gfs3_mknod_req supported by glusterfs server. An authenticated attacker could use this flaw to write files to an arbitrary location via path traversal and execute arbitrary code on a glusterfs server node.

Affected products

• Debian Linux: 8.0, 9.0
• Red Hat glusterfs: from 3.12 before 3.12.14; from 4.1 before 4.1.8 — fixed in 3.12.14, 4.1.8
• openSUSE Leap: 15.1
• Red Hat Enterprise Linux: 6.0, 7.0
• RedHat Enterprise Linux Server: 6.0, 7.0
• RedHat Virtualization Host: 4.0

How to fix

Upgrade to a fixed version: Red Hat glusterfs 3.12.14, 4.1.8. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00035.html
• https://access.redhat.com/errata/RHSA-2018:2607
• https://access.redhat.com/errata/RHSA-2018:2608
• https://access.redhat.com/errata/RHSA-2018:3470
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10926
• https://lists.debian.org/debian-lts-announce/2018/09/msg00021.html
• https://lists.debian.org/debian-lts-announce/2021/11/msg00000.html
• https://security.gentoo.org/glsa/201904-06
• http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00035.html
• https://access.redhat.com/errata/RHSA-2018:2607
• https://access.redhat.com/errata/RHSA-2018:2608
• https://access.redhat.com/errata/RHSA-2018:3470

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