Linux Kernel Vulnerability in XFS File System from Vendor Linux

CVE-2023-53306

What is CVE-2023-53306?

A vulnerability has been identified in the XFS File System within the Linux kernel related to Copy-On-Write (CoW) operations on non-shared extents. This issue may lead to inconsistent state management in the file system, as the dirty mark on the old non-shared extent can remain unflushed. To resolve this issue, it’s crucial to clear the dirty mark before executing the invalidate operation on the page range, ensuring proper data management and system stability. Users and administrators are urged to implement the latest kernel updates to mitigate this vulnerability.

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