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CVE-2025-38498 – Linux Kernel Mount Namespace Permission Bypass Vulnerability

The following table lists the changes that have been made to the
CVE-2025-38498 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

    Jul. 30, 2025

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

    do_change_type(): refuse to operate on unmounted/not ours mounts

    Ensure that propagation settings can only be changed for mounts located
    in the caller’s mount namespace. This change aligns permission checking
    with the rest of mount(2).
    Added Reference https://git.kernel.org/stable/c/064014f7812744451d5d0592f3d2bcd727f2ee93
    Added Reference https://git.kernel.org/stable/c/12f147ddd6de7382dad54812e65f3f08d05809fc
    Added Reference https://git.kernel.org/stable/c/19554c79a2095ddde850906a067915c1ef3a4114
    Added Reference https://git.kernel.org/stable/c/432a171d60056489270c462e651e6c3a13f855b1
    Added Reference https://git.kernel.org/stable/c/4f091ad0862b02dc42a19a120b7048de848561f8
    Added Reference https://git.kernel.org/stable/c/787937c4e373f1722c4343e5a5a4eb0f8543e589
    Added Reference https://git.kernel.org/stable/c/9c1ddfeb662b668fff69c5f1cfdd9f5d23d55d23
    Added Reference https://git.kernel.org/stable/c/c7d11fdf8e5db5f34a6c062c7e6ba3a0971879d2
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