Bug 2379186 (CVE-2025-38287)

Summary: CVE-2025-38287 kernel: IB/cm: Drop lockdep assert and WARN when freeing old msg
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 2025-07-10 08:02:18 UTC 
In the Linux kernel, the following vulnerability has been resolved:

IB/cm: Drop lockdep assert and WARN when freeing old msg

The send completion handler can run after cm_id has advanced to another
message.  The cm_id lock is not needed in this case, but a recent change
re-used cm_free_priv_msg(), which asserts that the lock is held and
WARNs if the cm_id's currently outstanding msg is different than the one
being freed.
Comment 1 Avinash Hanwate 2025-07-11 10:52:33 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025071011-CVE-2025-38287-b0ff@gregkh/T