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Cisco Bug: CSCvu75752 - IOS-XE Crash due to concurrent crypto profile modification

Last Modified

Aug 25, 2020

Products (1)

  • Cisco Cloud Services Router 1000V Series

Known Affected Releases


Description (partial)

IOS-XE Router running affected code could crash if a crypto profile is deleted while another session is modifying that profile:

CMD: 'crypto isakmp profile PROFILE' 08:38:05 UTC Tue Jun 23 2020
CMD: 'no crypto isakmp profile PROFILE' 08:38:21 UTC Tue Jun 23 2020
CMD: 'local-address Gi0/0/0' 08:38:24 UTC Tue Jun 23 2020

Exception to IOS Thread:
Frame pointer 0x7F1E62FAC2C0, PC = 0x55D5C1E5035C

UNIX-EXT-SIGNAL: Segmentation fault(11), Process = SSH Process
-Traceback= 1#ebb1f3aac5717ee5a1983ba4f07d0432  :55D5B034C000+11B0435C :55D5B034C000+5AFC333 :55D5B034C000+5AF95FE :55D5B034C000+A94BD6E :55D5B034C000+5B185F7 :55D5B034C000+90080F5

Two concurrent configuration sessions are occurring, one session deletes a crypto profile while another session is modifying that profile. The crash can occur in the SSH process, the Exec process, or the Virtual Exec process.
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