Bug 2320787 (CVE-2022-49020)

Summary: CVE-2022-49020 kernel: net/9p: Fix a potential socket leak in p9_socket_open
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: medium    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
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Hardware: All   
OS: Linux   
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Description OSIDB Bzimport 2024-10-21 22:04:14 UTC 
In the Linux kernel, the following vulnerability has been resolved:

net/9p: Fix a potential socket leak in p9_socket_open

Both p9_fd_create_tcp() and p9_fd_create_unix() will call
p9_socket_open(). If the creation of p9_trans_fd fails,
p9_fd_create_tcp() and p9_fd_create_unix() will return an
error directly instead of releasing the cscoket, which will
result in a socket leak.

This patch adds sock_release() to fix the leak issue.
Comment 1 Avinash Hanwate 2024-10-22 05:22:53 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024102154-CVE-2022-49020-2d32@gregkh/T
Comment 2 Avinash Hanwate 2024-10-22 05:24:08 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024102154-CVE-2022-49020-2d32@gregkh/T