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Junos QFX Series: PFE DoS Vulnerability
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Junos OS on QFX series is prone to denial of service vulnerability in PFE
Insight
Insight
A vulnerability in handling high rate of certain VXLAN packets may result in a PFE panic causing a denial of service condition. This issue can occur only when ping or traceroute command with overlay option is being run on the device. This issue only affects the QFX series devices with Junos 14.1X53 prior to 14.1X53-D30. QFX 10k series devices are not affected.
Affected Software
Affected Software
Junos OS 14.1
Detection Method
Detection Method
Checks if a vulnerable OS build is present on the target host.
Solution
Solution
New builds of Junos OS software are available from Juniper. As a workaround disable VXLAN or block VXLAN packets.