CVE-2005-1858

FUSE 2.x < 2.3.0 - Information Disclosure via Unfilled Memory Pages

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2005-1858. PoCs published by Miklos Szeredi.

AI-analyzed exploit summary This exploit demonstrates an information disclosure vulnerability in FUSE versions prior to 2.3.0, where uninitialized kernel memory is exposed to local users. The PoC creates a FUSE filesystem that reads uninitialized memory, potentially leaking sensitive data.

Description

FUSE 2.x before 2.3.0 does not properly clear previously used memory from unfilled pages when the filesystem returns a short byte count to a read request, which may allow local users to obtain sensitive information.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Miklos Szeredi · clocallinux
https://www.exploit-db.com/exploits/25789

This exploit demonstrates an information disclosure vulnerability in FUSE versions prior to 2.3.0, where uninitialized kernel memory is exposed to local users. The PoC creates a FUSE filesystem that reads uninitialized memory, potentially leaking sensitive data.

Classification
Working Poc 100%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Reliable
Target: FUSE versions 2.2, 2.2.1, 2.3-pre*, and 2.3-rc1
No auth needed
Prerequisites: Local access to the system · FUSE module loaded · Ability to mount filesystems
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (9)

Core 9
Core References
Vendor Advisory x_refsource_confirm
http://bugs.debian.org/311634
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/13857
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/16024
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1014107
Patch, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/15561/
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2005/dsa-744
Vendor Advisory vdb-entry x_refsource_osvdb
http://www.osvdb.org/17042

Scores

EPSS 0.0076
EPSS Percentile 50.5%

Details

Status published
Products (4)
fuse/fuse 2.2
fuse/fuse 2.2.1
fuse/fuse 2.3_pre
fuse/fuse 2.3_rc1
Published Jun 03, 2005
Tracked Since Feb 18, 2026