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CVE-2015-6496

conntrackd crash on unexpected network traffic

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Severity

Moderate

Red Hat Product Security

5

CVSS 2.0

Review impact separately from score.

Published · March 24, 2014

Updated · November 21, 2025

Description

conntrackd in conntrack-tools 1.4.2 and earlier does not ensure that the optional kernel modules are loaded before using them, which allows remote attackers to cause a denial of service (crash) via a (1) DCCP, (2) SCTP, or (3) ICMPv6 packet.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 5
AV:N/AC:L/Au:N/C:N/I:N/A:P

CWE not specified