Bug 2363528 (CVE-2022-49829)

Summary: CVE-2022-49829 kernel: drm/scheduler: fix fence ref counting
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
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Hardware: All   
OS: Linux   
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Description OSIDB Bzimport 2025-05-01 15:08:17 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/scheduler: fix fence ref counting

We leaked dependency fences when processes were beeing killed.

Additional to that grab a reference to the last scheduled fence.
Comment 1 Avinash Hanwate 2025-05-02 03:40:35 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025050136-CVE-2022-49829-8c4e@gregkh/T