Bug 2393735 (CVE-2025-39733)

Summary: CVE-2025-39733 kernel: team: replace team lock with rtnl lock
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

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