Disclaimer

Hotfix versions were inferred because the vendor did not list them explicitly: 10.2.16-h1, 10.2.16-h2, 10.2.16-h3, 10.2.16-h4, 10.2.16-h5, 10.2.16-h6, 10.2.18-h1, 10.2.18-h2, 10.2.18-h3, 10.2.18-h4, 11.1.6-h1, 11.1.6-h2, 11.1.6-h3, 11.1.6-h4, 11.1.6-h5, 11.1.6-h6, 11.1.6-h7, 11.1.6-h8, 11.1.6-h9, 11.1.6-h10, 11.1.6-h11, 11.1.6-h12, 11.1.6-h13, 11.1.6-h14, 11.1.6-h15, 11.1.6-h16, 11.1.6-h17, 11.1.6-h18, 11.1.6-h19, 11.1.6-h20, 11.1.6-h21, 11.1.6-h22, 11.1.10-h1, 11.1.10-h2, 11.1.10-h3, 11.1.10-h4, 11.1.10-h5, 11.1.10-h6, 11.1.10-h7, 11.1.10-h8, 11.1.10-h9, 11.2.7-h1, 11.2.7-h2, 11.2.7-h3, 11.2.7-h4, 11.2.7-h5, 11.2.7-h6, 11.2.7-h7, 11.2.10-h1

The earliest recollection of this bug is traced back to PAN-OS 10.2.0 - July 21, 2026. This bug is fixed in PAN-OS versions 11.2.7-h8, 11.2.11, 11.2.10-h2, 11.1.6-h23, 11.1.12, 10.2.18-h5, 10.2.16-h7, 11.1.10-h10, 12.1.5. A firewall may become unresponsive after an upgrade due to the fsck command scanning drive partitions in parallel with the root partition, causing the process to take an extended amount of time. A firewall may become unresponsive after an upgrade due to the `fsck` command scanning drive partitions in parallel with the root partition, causing the process to take an extended amount of time. Fixed an issue where the firewall became unresponsive after an upgrade due to the fsck command scanning drive partitions in parallel with the root partition, which caused the process to take an extended amount of time. For more information: https://docs.paloaltonetworks.com/ngfw/release-notes/12-1/pan-os-12-1-4-known-and-addressed-issues/pan-os-12-1-4-known-issues https://docs.paloaltonetworks.com/ngfw/release-notes/12-1/pan-os-12-1-5-known-and-addressed-issues/pan-os-12-1-5-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-0-known-and-addressed-issues/pan-os-10-2-0-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-1-known-and-addressed-issues/pan-os-10-2-1-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-10-known-and-addressed-issues/pan-os-10-2-10-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-11-known-and-addressed-issues/pan-os-10-2-11-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-12-known-and-addressed-issues/pan-os-10-2-12-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-13-known-and-addressed-issues/pan-os-10-2-13-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-14-known-and-addressed-issues/pan-os-10-2-14-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-15-known-and-addressed-issues/pan-os-10-2-15-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-16-known-and-addressed-issues/pan-os-10-2-16-h7-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-16-known-and-addressed-issues/pan-os-10-2-16-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-17-known-and-addressed-issues/pan-os-10-2-17-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-18-known-and-addressed-issues/pan-os-10-2-18-h5-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-18-known-and-addressed-issues/pan-os-10-2-18-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-2-known-and-addressed-issues/pan-os-10-2-2-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-3-known-and-addressed-issues/pan-os-10-2-3-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-4-known-and-addressed-issues/pan-os-10-2-4-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-5-known-and-addressed-issues/pan-os-10-2-5-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-6-known-and-addressed-issues/pan-os-10-2-6-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-7-known-and-addressed-issues/pan-os-10-2-7-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-8-known-and-addressed-issues/pan-os-10-2-8-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-9-known-and-addressed-issues/pan-os-10-2-9-known-issues https://docs.paloaltonetworks.com/pan-os/11-1/pan-os-release-notes/pan-os-11-1-10-known-and-addressed-issues/pan-os-11-1-10-h10-addressed-issues https://docs.paloaltonetworks.com/pan-os/11-1/pan-os-release-notes/pan-os-11-1-12-known-and-addressed-issues/pan-os-11-1-12-addressed-issues https://docs.paloaltonetworks.com/pan-os/11-1/pan-os-release-notes/pan-os-11-1-6-known-and-addressed-issues/pan-os-11-1-6-h23-addressed-issues https://docs.paloaltonetworks.com/pan-os/11-2/pan-os-release-notes/pan-os-11-2-10-known-and-addressed-issues/pan-os-11-2-10-h2-addressed-issues https://docs.paloaltonetworks.com/pan-os/11-2/pan-os-release-notes/pan-os-11-2-10-known-and-addressed-issues/pan-os-11-2-10-known-issues https://docs.paloaltonetworks.com/pan-os/11-2/pan-os-release-notes/pan-os-11-2-11-known-and-addressed-issues/pan-os-11-2-11-addressed-issues https://docs.paloaltonetworks.com/pan-os/11-2/pan-os-release-notes/pan-os-11-2-7-known-and-addressed-issues/pan-os-11-2-7-h8-addressed-issues https://docs.paloaltonetworks.com/pan-os/11-2/pan-os-release-notes/pan-os-11-2-7-known-and-addressed-issues/pan-os-11-2-7-known-issues https://docs.paloaltonetworks.com/pan-os/11-2/pan-os-release-notes/pan-os-11-2-8-known-and-addressed-issues/pan-os-11-2-8-known-issues https://docs.paloaltonetworks.com/pan-os/11-2/pan-os-release-notes/pan-os-11-2-9-known-and-addressed-issues/pan-os-11-2-9-known-issues