Bug 2404108 (CVE-2025-39971) - CVE-2025-39971 kernel: i40e: fix idx validation in config queues msg
Summary: CVE-2025-39971 kernel: i40e: fix idx validation in config queues msg
Keywords:
Status: NEW
Alias: CVE-2025-39971
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-10-15 08:02 UTC by OSIDB Bzimport
Modified: 2025-10-16 11:39 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2025-10-15 08:02:30 UTC 
In the Linux kernel, the following vulnerability has been resolved:

i40e: fix idx validation in config queues msg

Ensure idx is within range of active/initialized TCs when iterating over
vf->ch[idx] in i40e_vc_config_queues_msg().
Comment 1 Alexander B 2025-10-16 10:59:59 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025101556-CVE-2025-39971-97e2@gregkh/T
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