CVEvulnerability

CVE-2005-2019

5.0 MEDIUM Published 2005-07-05 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2005-07-05
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N

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.

Affected configurations

• freebsd freebsd 5.4

References