Bug 2393735 (CVE-2025-39733) - CVE-2025-39733 kernel: team: replace team lock with rtnl lock
Summary: CVE-2025-39733 kernel: team: replace team lock with rtnl lock
Keywords:
Status: NEW
Alias: CVE-2025-39733
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: 2025-09-07 16:01 UTC by OSIDB Bzimport
Modified: 2025-09-09 08:15 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2025-09-07 16:01:28 UTC 
In the Linux kernel, the following vulnerability has been resolved:

team: replace team lock with rtnl lock

syszbot reports various ordering issues for lower instance locks and
team lock. Switch to using rtnl lock for protecting team device,
similar to bonding. Based on the patch by Tetsuo Handa.
Comment 1 Mauro Matteo Cascella 2025-09-09 08:15:13 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025090730-CVE-2025-39733-0de4@gregkh/T
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