BugZero | Palo Alto Networks BugID PAN-215461 - Fixed an issue where the GRE keepalive packets lea...

Palo Alto Networks - Defect ID: PAN-215461

Fixed an issue where the GRE keepalive packets leaked and filled up the packet buffers.

Palo Alto Networks - Defect ID: PAN-215461

Fixed an issue where the GRE keepalive packets leaked and filled up the packet buffers.

Last updated on July 15th, 2026

BugZero Risk Score
9.3 High

Overall: 9.3

Severity: 10.0

Community: 3.7

Lifecycle: 10.0

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Bug Details

Description

Disclaimer

Hotfix versions were inferred because the vendor did not list them explicitly: 10.1.9-h1, 10.1.9-h2

Overview

Fixed an issue where the GRE keepalive packets leaked and filled up the packet buffers.

Impact

Packet buffer leak affects DP stability.

root_cause

GRE keepalive packets on a multi-DP platform were not freed

workaround

Disable GRE keepalive and reboot the FW to recover

Change history

Top Palo Alto Networks Defects

6.3Defect ID: PAN-283053
Fixed an issue where the firewall experienced high disk space utilization, which caused the firewall to become non-functional.
6.3Defect ID: PAN-304718
Fixed an issue where OSPF and BGP outages occurred due to an process restart during clientless VPN content rewrite processing.
6.3Defect ID: PAN-312706
Fixed an issue where the firewalls restarted due to a function lacking a NULL-pointer sanity check.
6.3Defect ID: PAN-301113
Fixed an issue where the XML API returned the error Access to this vsys is unauthorized when generating a report for a specific vsys, even when the administrator had access to that vsys. This was due to the API session not correctly populating the vsysvector field with the user's allowed vsys.
6.3Defect ID: PAN-292079
( Panorama appliances only ) Fixed an issue where the data on scheduled SaaS Application Usage Reports was different than the data on on-demand reports generated via Run Now .

Palo Alto Networks Integration

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Palo Alto Networks Integration

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Palo Alto Networks - Defect ID: PAN-215461

Fixed an issue where the GRE keepalive packets leaked and filled up the packet buffers.

Palo Alto Networks - Defect ID: PAN-215461

Fixed an issue where the GRE keepalive packets leaked and filled up the packet buffers.

Last updated on July 15th, 2026

BugZero Risk Score
9.3 High

Bug Details

Disclaimer

Overview

Impact

root_cause

workaround

Links

Top Palo Alto Networks Defects

Ready to prevent the next vendor outage?

Palo Alto Networks - Defect ID: PAN-215461

Fixed an issue where the GRE keepalive packets leaked and filled up the packet buffers.

Palo Alto Networks - Defect ID: PAN-215461

Fixed an issue where the GRE keepalive packets leaked and filled up the packet buffers.

Last updated on July 15th, 2026

BugZero Risk Score
9.3 High

Bug Details

Disclaimer

Overview

Impact

root_cause

workaround

Links

Top Palo Alto Networks Defects

Ready to prevent the next vendor outage?

Palo Alto Networks - Defect ID: PAN-215461

Fixed an issue where the GRE keepalive packets leaked and filled up the packet buffers.

Palo Alto Networks - Defect ID: PAN-215461

Fixed an issue where the GRE keepalive packets leaked and filled up the packet buffers.

Last updated on July 15th, 2026

BugZero Risk Score9.3 High

Bug Details

Disclaimer

Overview

Impact

root_cause

workaround

Links

Top Palo Alto Networks Defects

Ready to prevent the next vendor outage?

Palo Alto Networks - Defect ID: PAN-215461

Fixed an issue where the GRE keepalive packets leaked and filled up the packet buffers.

Palo Alto Networks - Defect ID: PAN-215461

Fixed an issue where the GRE keepalive packets leaked and filled up the packet buffers.

Last updated on July 15th, 2026

BugZero Risk Score9.3 High

Bug Details

Disclaimer

Overview

Impact

root_cause

workaround

Links

Top Palo Alto Networks Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
9.3 High

BugZero Risk Score
9.3 High