Description
ipfw in FreeBSD 5.4, when running on Symmetric Multi-Processor (SMP) or Uni Processor (UP) systems with the PREEMPTION kernel option enabled, does not sufficiently lock certain resources while performing table lookups, which can cause the cache results to be corrupted during multiple concurrent lookups, allowing remote attackers to bypass intended access restrictions.
Published: 2005-06-30
Score: 5.0 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2005-2021 ipfw in FreeBSD 5.4, when running on Symmetric Multi-Processor (SMP) or Uni Processor (UP) systems with the PREEMPTION kernel option enabled, does not sufficiently lock certain resources while performing table lookups, which can cause the cache results to be corrupted during multiple concurrent lookups, allowing remote attackers to bypass intended access restrictions.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: freebsd

Published:

Updated: 2024-09-16T23:55:59.206Z

Reserved: 2005-06-21T00:00:00.000Z

Link: CVE-2005-2019

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2005-07-05T04:00:00.000

Modified: 2026-04-16T00:27:16.627

Link: CVE-2005-2019

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses