Home/CVE/ipfw in FreeBSD 5.4, when running on Symmetric Multi-Processor (SMP) or Uni Processor (UP) systems with the PREEMPTION k
CVE

CVE-2005-2019

ipfw in FreeBSD 5.4, when running on Symmetric Multi-Processor (SMP) or Uni Processor (UP) systems with the PREEMPTION k

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.

MEDIUM · CVSS 5 EPSS 0.00219
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
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Affected Products & Versions

1
freebsdall versions
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Scoring & Timeline

5
MEDIUM · CVSS v2 (legacy) · secteam@freebsd.org
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This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:N/I:P/A:N
Published to NVD05 Jul 2005 · 04:00 AM
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-05:13.ipfw.ascVendor Advisory
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