When a device running Juniper Networks Junos OS with MPC7, MPC8, or MPC9 line cards installed and the system is configured for inline IP reassembly, used by L2TP, MAP-E, GRE, and IPIP, the packet forwarding engine (PFE) will become disabled upon receipt of large packets requiring fragmentation, generating the following error messages: [LOG: Err] MQSS(0): WO: Packet Error - Error Packets 1, Connection 29 [LOG: Err] eachip_hmcif_rx_intr_handler(7259): EA[0:0]: HMCIF Rx: Injected checksum error detected on WO response - Chunk Address 0x0 [LOG: Err] MQSS(0): DRD: RORD1: CMD reorder ID error - Command 11, Reorder ID 1838, QID 0 [LOG: Err] MQSS(0): DRD: UNROLL0: HMC chunk length error in stage 5 - Chunk Address: 0x4321f3 [LOG: Err] MQSS(0): DRD: UNROLL0: HMC chunk address error in stage 5 - Chun
The following software releases have been updated to resolve this specific issue: Junos OS 17.2R3-S4, 17.3R3-S8, 17.4R2-S10, 17.4R3-S2, 18.1R3-S10, 18.2R3-S3, 18.2X75-D41, 18.2X75-D430, 18.2X75-D65, 18.3R1-S7, 18.3R2-S4, 18.3R3-S1, 18.4R1-S7, 18.4R2-S4, 18.4R3, 19.1R1-S5, 19.1R2-S1, 19.1R3, 19.2R1-S4, 19.2R2, 19.3R2-S2, 19.3R3, 19.4R1, 19.4R2, 20.1R1, and all subsequent releases.
There are no available workarounds for this issue.
| Product | Vulnerable range | Fixed version | Advisory |
|---|---|---|---|
| Juniper Networks Junos OS | >=17.2<17.2R3-S4 | 17.2R3-S4 | advisory ↗ |
| Juniper Networks Junos OS | >=17.3<17.3R3-S8 | 17.3R3-S8 | advisory ↗ |
| Juniper Networks Junos OS | >=17.4<17.4R2-S10, 17.4R3-S2 | 17.4R2-S10, 17.4R3-S2 | advisory ↗ |
| Juniper Networks Junos OS | >=18.1<18.1R3-S10 | 18.1R3-S10 | advisory ↗ |
| Juniper Networks Junos OS | >=18.2<18.2R3-S3 | 18.2R3-S3 | advisory ↗ |
| Juniper Networks Junos OS | >=18.2X75<18.2X75-D41, 18.2X75-D430, 18.2X75-D65 | 18.2X75-D41, 18.2X75-D430, 18.2X75-D65 | advisory ↗ |
| Juniper Networks Junos OS | >=18.3<18.3R1-S7, 18.3R2-S4, 18.3R3-S1 | 18.3R1-S7, 18.3R2-S4, 18.3R3-S1 | advisory ↗ |
| Juniper Networks Junos OS | >=18.4<18.4R1-S7, 18.4R2-S4, 18.4R3 | 18.4R1-S7, 18.4R2-S4, 18.4R3 | advisory ↗ |
| Juniper Networks Junos OS | >=19.1<19.1R1-S5, 19.1R2-S1, 19.1R3 | 19.1R1-S5, 19.1R2-S1, 19.1R3 | advisory ↗ |
| Juniper Networks Junos OS | >=19.2<19.2R1-S4, 19.2R2 | 19.2R1-S4, 19.2R2 | advisory ↗ |
| Juniper Networks Junos OS | >=19.3<19.3R2-S2, 19.3R3 | 19.3R2-S2, 19.3R3 | advisory ↗ |