HOMEVULNERABILITIESCVE-2004-0685
MEDIUM

CVE-2004-0685

NVD-CWE-OtherPublished: December 23, 2004· Updated: Jun 16, 2026

4.6
CVSS v3.1

Official Description

Certain USB drivers in the Linux 2.4 kernel use the copy_to_user function on uninitialized structures, which could allow local users to obtain sensitive information by reading memory that was not cleared from previous usage.

NVD Source

Technical Analysis

CVE-2004-0685 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected Vendors & Products

Linux1 product(s)
linux kernel
Red Hat2 product(s)
enterprise linuxenterprise linux desktop
trustix1 product(s)
secure linux
Source: NVD CPE · 143 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (38)

Quick Facts

CVE IDCVE-2004-0685
CVSS Score4.6 / 10
SeverityMEDIUM
CISA KEVNo
Affected3 vendor(s)
PublishedDec 23, 2004

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2004-0685 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.