Bug 2425141 (CVE-2023-54136)

Summary: CVE-2023-54136 kernel: serial: sprd: Fix DMA buffer leak issue
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:
A flaw was found in the serial: sprd driver in the Linux kernel where a DMA buffer allocated during driver probe was not released when _probe() returned failure. This results in a memory leak that, under repeated probe failure conditions, could cause elevated kernel memory usage and potential resource exhaustion
 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 2025-12-24 14:05:57 UTC 
In the Linux kernel, the following vulnerability has been resolved:

serial: sprd: Fix DMA buffer leak issue

Release DMA buffer when _probe() returns failure to avoid memory leak.
Comment 1 Alexander B 2025-12-24 23:30:38 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025122421-CVE-2023-54136-b58d@gregkh/T