CVE-2018-14659

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-10-31 · updated 2026-06-17
Weakness: CWE-400

Description

The Gluster file system through versions 4.1.4 and 3.1.2 is vulnerable to a denial of service attack via use of the 'GF_XATTR_IOSTATS_DUMP_KEY' xattr. A remote, authenticated attacker could exploit this by mounting a Gluster volume and repeatedly calling 'setxattr(2)' to trigger a state dump and create an arbitrary number of files in the server's runtime directory.

Affected products

Debian Linux: 8.0, 9.0
RedHat Enterprise Linux Server: 6.0, 7.0
RedHat Gluster File System: from 3.0.0 through 3.1.2; from 4.1.0 through 4.1.4
RedHat Virtualization: 4.0
RedHat Virtualization Host: 4.0

References

https://access.redhat.com/errata/RHSA-2018:3431
https://access.redhat.com/errata/RHSA-2018:3432
https://access.redhat.com/errata/RHSA-2018:3470
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14659
https://lists.debian.org/debian-lts-announce/2018/11/msg00003.html
https://lists.debian.org/debian-lts-announce/2021/11/msg00000.html
https://security.gentoo.org/glsa/201904-06
https://access.redhat.com/errata/RHSA-2018:3431
https://access.redhat.com/errata/RHSA-2018:3432
https://access.redhat.com/errata/RHSA-2018:3470
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14659
https://lists.debian.org/debian-lts-announce/2018/11/msg00003.html

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