Bug ID 2262353: Pccd may crash when deleting a Zone with VLAN association

Last Modified: May 05, 2026

Affected Product(s):
BIG-IP AFM(all modules)

Fixed In:
17.5.1.6, 17.1.3.2

Opened: Apr 06, 2026

Severity: 1-Blocking

Symptoms

The pccd process may crash when AFM Zone/ACL configuration is removed.

Impact

Pccd daemon crash

Conditions

- Security Zone is configured with one or more Vlans. - Occurs when a Zone that references one or more VLANs is deleted and MCPD batches zone_vlan remove and zone remove messages in the same transaction.

Workaround

By avoiding deleting Zone+VLAN bindings in the same change set. Deleting separately will not cause crash

Fix Information

When MCP processing removes the zone-VLAN association, the zone cleanup path no longer attempts to remove it a second time (prevents an assertion in pc_cfg_set_remove, resolving crash issue).

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips