Junos OS: Kernel crash (vmcore) during broadcast storm after enabling 'monitor traffic interface fxp0'

Summary

While experiencing a broadcast storm, placing the fxp0 interface into promiscuous mode via the 'monitor traffic interface fxp0' can cause the system to crash and restart (vmcore). This issue only affects Junos OS 15.1 and later releases, and affects both single core and multi-core REs. Releases prior to Junos OS 15.1 are unaffected by this vulnerability. Affected releases are Juniper Networks Junos OS: 15.1 versions prior to 15.1F6-S11, 15.1R4-S9, 15.1R6-S6, 15.1R7; 15.1X49 versions prior to 15.1X49-D140; 15.1X53 versions prior to 15.1X53-D59 on EX2300/EX3400; 15.1X53 versions prior to 15.1X53-D67 on QFX10K; 15.1X53 versions prior to 15.1X53-D233 on QFX5200/QFX5110; 15.1X53 versions prior to 15.1X53-D471, 15.1X53-D490 on NFX; 16.1 versions prior to 16.1R3-S8, 16.1R5-S4, 16.1R6-S1, 16.1R7; 16.2 versions prior to 16.2R1-S6, 16.2R2-S5, 16.2R3; 17.1 versions prior to 17.1R1-S7, 17.1R2-S7, 17.1R3; 17.2 versions prior to 17.2R1-S6, 17.2R2-S4, 17.2R3; 17.2X75 versions prior to 17.2X75-D90, 17.2X75-D110; 17.3 versions prior to 17.3R1-S4, 17.3R2; 17.4 versions prior to 17.4R1-S3, 17.4R2.

Timeline

1. Jul 11, 2018, 6:00 PM UTCCVE published
2. Sep 16, 2024, 7:51 PM UTCRecord last updated

Affected versions

• Juniper Networks Junos OS

  Version range not reported

• Juniper Networks Junos OS

  From 15.1X49 · fixed in 15.1X49-D140

• Juniper Networks Junos OS

  From 15.1X53 · fixed in 15.1X53-D59

• Juniper Networks Junos OS

  From 15.1X53 · fixed in 15.1X53-D67

• Juniper Networks Junos OS

  From 15.1X53 · fixed in 15.1X53-D233

• Juniper Networks Junos OS

  Version range not reported

References 2