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CVE-2025-39800

HIGH CVSS: 7.8 Published: 2025-09-15 Modified: 2026-07-30

Description

In the Linux kernel, the following vulnerability has been resolved: btrfs: abort transaction on unexpected eb generation at btrfs_copy_root() If we find an unexpected generation for the extent buffer we are cloning at btrfs_copy_root(), we just WARN_ON() and don't error out and abort the transaction, meaning we allow to persist metadata with an unexpected generation. Instead of warning only, abort the transaction and return -EUCLEAN.

Affected Platforms

Linux Linux KernelDebian Debian Linux

Weakness Type

NVD-CWE-noinfo

References