Receipt of a specific MPLS or IPv6 packet on the core facing interface of an MX Series device configured for Broadband Edge (BBE) service may trigger a kernel crash (vmcore), causing the device to reboot. The issue is specific to the processing of packets destined to BBE clients connected to MX Series subscriber management platforms. This issue affects MX Series running Juniper Networks Junos OS: 17.2 versions starting from17.2R2-S6, 17.2R3 and later releases, prior to 17.2R3-S3; 17.3 versions starting from 17.3R2-S4, 17.3R3-S2 and later releases, prior to 17.3R2-S5, 17.3R3-S5; 17.4 versions starting from 17.4R2 and later releases, prior to 17.4R2-S7,17.4R3; 18.1 versions starting from 18.1R2-S3, 18.1R3 and later releases, prior to 18.1R3-S6; 18.2 versions starting from18.2R1-S1, 18.2R2 an
The following software releases have been updated to resolve this specific issue: 17.2R3-S3, 17.3R2-S5, 17.3R3-S5, 17.4R2-S7, 17.4R3, 18.1R3-S6, 18.2R3-S2, 18.2X75-D51, 18.2X75-D60, 18.3R3, 18.4R2, 19.1R1-S3, 19.1R2, 19.2R1-S2, 19.2R2, 19.3R1, and all subsequent releases.
There are no known workarounds for this issue.
| Product | Vulnerable range | Fixed version | Advisory |
|---|---|---|---|
| Juniper Networks Junos OS | >=17.2R2-S6, 17.2R3<17.2* | 17.2* | advisory ↗ |
| Juniper Networks Junos OS | >=17.3R2-S4, 17.3R3-S2<17.3* | 17.3* | advisory ↗ |
| Juniper Networks Junos OS | >=17.4R2<17.4* | 17.4* | advisory ↗ |
| Juniper Networks Junos OS | >=18.1R2-S3, 18.1R3<18.1* | 18.1* | advisory ↗ |
| Juniper Networks Junos OS | >=18.2R1-S1, 18.2R2<18.2* | 18.2* | advisory ↗ |
| Juniper Networks Junos OS | >=18.2X75<18.2X75-D51, 18.2X75-D60 | 18.2X75-D51, 18.2X75-D60 | advisory ↗ |
| Juniper Networks Junos OS | >=18.3<18.3R3 | 18.3R3 | advisory ↗ |
| Juniper Networks Junos OS | >=18.4<18.4R2 | 18.4R2 | advisory ↗ |
| Juniper Networks Junos OS | >=19.1<19.1R1-S3, 19.1R2 | 19.1R1-S3, 19.1R2 | advisory ↗ |
| Juniper Networks Junos OS | >=19.2<19.2R1-S2, 19.2R2 | 19.2R1-S2, 19.2R2 | advisory ↗ |