GLSA 202604-03: FUSE: Multiple Vulnerabilities

http://security.gentoo.org/

Severity:	normal
Title:	FUSE: Multiple Vulnerabilities
Date:	04/17/2026
Bugs:	#971552
ID:	202604-03

Synopsis

Multiple vulnerabilities have been found in FUSE, the worst of which can lead to code execution.

Background

FUSE (Filesystem in Userspace) is an interface for userspace programs to export a filesystem to the Linux kernel.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
sys-fs/fuse	< 3.18.1	>= 3.18.1	All supported architectures

Description

The following vulnerabilities have been discovered in FUSE: a NULL pointer dereference (when running with the NUMA architecture) and a use-after-free. The worst of which can lead to code execution. Please review the CVE identifiers referenced below for details.

Impact

The following is a possible outcome: denial of service (crash) and potential code execution.

Workaround

There is no known workaround at this time.

Resolution

All FUSE users should upgrade to the latest version:

          # emerge --sync
          # emerge --ask --oneshot --verbose ">=sys-fs/fuse-3.18.1:3"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202604-03.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.