Bug 2365285 (CVE-2025-37844)

Summary: CVE-2025-37844 kernel: cifs: avoid NULL pointer dereference in dbg call
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: unspecifiedCC: dfreiber, drow, jburrell, vkumar
Target Milestone: ---Keywords: Security
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 2025-05-09 07:03:18 UTC 
In the Linux kernel, the following vulnerability has been resolved:

cifs: avoid NULL pointer dereference in dbg call

cifs_server_dbg() implies server to be non-NULL so
move call under condition to avoid NULL pointer dereference.

Found by Linux Verification Center (linuxtesting.org) with SVACE.
Comment 1 Michal Findra 2025-05-09 07:54:24 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025050917-CVE-2025-37844-f733@gregkh/T