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.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
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. |
References
History
No history.
Status: PUBLISHED
Assigner: freebsd
Published:
Updated: 2024-09-16T23:55:59.206Z
Reserved: 2005-06-21T00:00:00.000Z
Link: CVE-2005-2019
No data.
Status : Modified
Published: 2005-07-05T04:00:00.000
Modified: 2026-04-16T00:27:16.627
Link: CVE-2005-2019
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD