Security Advisory

CVE-2023-54076

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-12-24 12:23:18

Last updated 2026-05-23 15:32:27

Assigner Linux

State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix missed ses refcounting Use new cifs_smb_ses_inc_refcount() helper to get an active reference of @ses and @ses->dfs_root_ses (if set). This will prevent @ses->dfs_root_ses of being put in the next call to cifs_put_smb_ses() and thus potentially causing an use-after-free bug.

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