CVE-2025-21967 – Samba Linux Kernel Use-After-Free Vulnerability

The following table lists the changes that have been made to the
CVE-2025-21967 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Apr. 01, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved:

    ksmbd: fix use-after-free in ksmbd_free_work_struct

    ->interim_entry of ksmbd_work could be deleted after oplock is freed.
    We don’t need to manage it with linked list. The interim request could be
    immediately sent whenever a oplock break wait is needed.

    Added Reference https://git.kernel.org/stable/c/62746ae3f5414244a96293e3b017be637b641280
    Added Reference https://git.kernel.org/stable/c/bb39ed47065455604729404729d9116868638d31
    Added Reference https://git.kernel.org/stable/c/eb51f6f59d19b92f6fe84d3873f958495ab32f0a
    Added Reference https://git.kernel.org/stable/c/fb776765bfc21d5e4ed03bb3d4406c2b86ff1ac3
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