Advisory Published
Updated

CVE-2025-22019: bcachefs: bch2_ioctl_subvolume_destroy() fixes

First published: Wed Apr 16 2025(Updated: )

In the Linux kernel, the following vulnerability has been resolved: bcachefs: bch2_ioctl_subvolume_destroy() fixes bch2_evict_subvolume_inodes() was getting stuck - due to incorrectly pruning the dcache. Also, fix missing permissions checks.

Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Affected SoftwareAffected VersionHow to fix
Linux Kernel

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Frequently Asked Questions

  • What is the severity of CVE-2025-22019?

    CVE-2025-22019 has been classified as a moderate severity vulnerability in the Linux kernel.

  • How do I fix CVE-2025-22019?

    To fix CVE-2025-22019, update your Linux kernel to a version that includes the patch for this vulnerability.

  • What are the consequences of not addressing CVE-2025-22019?

    Failure to address CVE-2025-22019 may result in system instability and unauthorized access due to missing permission checks.

  • Which versions of the Linux kernel are affected by CVE-2025-22019?

    CVE-2025-22019 affects earlier versions of the Linux kernel prior to the application of the patch.

  • Is CVE-2025-22019 related to filesystem operations in Linux?

    Yes, CVE-2025-22019 is related to issues with bcachefs filesystem operations, particularly subvolume management.

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