Bug 2373472 (CVE-2022-50114)

Summary: CVE-2022-50114 kernel: net: 9p: fix refcount leak in p9_read_work() error handling
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Priority: low    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
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Hardware: All   
OS: Linux   
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Description OSIDB Bzimport 2025-06-18 12:04:32 UTC 
In the Linux kernel, the following vulnerability has been resolved:

net: 9p: fix refcount leak in p9_read_work() error handling

p9_req_put need to be called when m->rreq->rc.sdata is NULL to avoid
temporary refcount leak.

[Dominique: commit wording adjustments, p9_req_put argument fixes for rebase]
Comment 1 Avinash Hanwate 2025-06-20 02:11:31 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025061808-CVE-2022-50114-6adf@gregkh/T