CVE-2025-38278
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-07-10

Last updated on: 2025-11-19

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: QOS: Refactor TC_HTB_LEAF_DEL_LAST callback This patch addresses below issues, 1. Active traffic on the leaf node must be stopped before its send queue is reassigned to the parent. This patch resolves the issue by marking the node as 'Inner'. 2. During a system reboot, the interface receives TC_HTB_LEAF_DEL and TC_HTB_LEAF_DEL_LAST callbacks to delete its HTB queues. In the case of TC_HTB_LEAF_DEL_LAST, although the same send queue is reassigned to the parent, the current logic still attempts to update the real number of queues, leadning to below warnings New queues can't be registered after device unregistration. WARNING: CPU: 0 PID: 6475 at net/core/net-sysfs.c:1714 netdev_queue_update_kobjects+0x1e4/0x200
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Meta Information
Published
2025-07-10
Last Modified
2025-11-19
Generated
2026-05-07
AI Q&A
2025-07-10
EPSS Evaluated
2026-05-05
NVD
CVE-2025-38278
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-NVD-CWE-noinfo
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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability involves the Linux kernel's octeontx2-pf QOS component, specifically in the handling of TC_HTB_LEAF_DEL_LAST callback. The issue arises because active traffic on a leaf node is not properly stopped before its send queue is reassigned to the parent node. Additionally, during system reboot, the interface receives callbacks to delete HTB queues, and the current logic incorrectly attempts to update the number of queues after device unregistration, causing warnings and potential instability.


How can this vulnerability impact me? :

This vulnerability can lead to warnings and potential instability in the network traffic control subsystem of the Linux kernel during system reboot or queue reassignment. It may cause improper handling of traffic queues, which could affect network performance or reliability on affected systems.


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