CVE-2004-0435: n/a vulnerability

CVE-2004-0435: Certain "programming errors" in the msync system call for FreeBSD 5.2.1 and earlier, and 4.10 and earlier,...

Certain "programming errors" in the msync system call for FreeBSD 5.2.1 and earlier, and 4.10 and earlier, do not properly handle the MS_INVALIDATE operation, which leads to cache consistency problems that allow a local user to prevent certain changes to files from being committed to disk.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 00:17 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2004-0435 is an old FreeBSD flaw in the msync system call. A local user could interfere with how file changes are written to disk, creating file integrity and consistency risk. It matters mainly for legacy FreeBSD systems with local users or workloads that rely on reliable file persistence. Exposure is most likely on obsolete FreeBSD 4.x or 5.x systems. Internet-only exposure is not indicated; the described attacker is local. Systems without untrusted local users are lower risk, but integrity-sensitive workloads remain relevant. Treat as a legacy-platform hygiene issue with moderate urgency. It is not described as remotely exploitable, but affected systems are very old and likely unsupported. Prioritize if any remain in production, especially shared-user or integrity-critical environments. Mitigation focus: Identify any FreeBSD 5.2.1 or earlier, and 4.10 or earlier systems.; Review and follow FreeBSD-SA-04:11 vendor guidance.; Upgrade legacy FreeBSD systems to supported releases where possible..

Prepared: Jul 12, 2026, 00:18 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jun 3, 2004, 04:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
freebsd-msync-gain-privileges(16254)CVE reference · vdb-entry, x_refsource_XF

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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