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Cisco Bug: CSCvt37084 - BGP next hop accessed after free during next hop RIB notification

Last Modified

Oct 12, 2020

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

6.2.25.ROUT

Description (partial)

Symptom:
BGP crash in critical thread during next hop reachability update or corruption of unknown memory.

Conditions:
All prefixes pointing to next hop getting deleted such that it leaves window for next hop to be released and at same time next hop resolution changes update are received from RIB. This leaves a rare window.
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