Bug 2356677 (CVE-2025-21918)

Summary: CVE-2025-21918 kernel: usb: typec: ucsi: Fix NULL pointer access
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2025-04-01 16:05:36 UTC 
In the Linux kernel, the following vulnerability has been resolved:

usb: typec: ucsi: Fix NULL pointer access

Resources should be released only after all threads that utilize them
have been destroyed.
This commit ensures that resources are not released prematurely by waiting
for the associated workqueue to complete before deallocating them.
Comment 1 Robb Gatica 2025-04-01 22:44:35 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025040131-CVE-2025-21918-dc4c@gregkh/T