btrfs: fix anon_dev leak in create_subvol()

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Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from anondev leak in the createsubvol function...

PT-2022-31329

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.17.14 Description The issue is related to a potential security vulnerability in the btrfs filesystem, specifically in the create subvol function, where an anon dev leak occurs. The actual impact and attack...

PT-2022-31013

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.18.3 Description The issue is related to a potential security vulnerability in the btrfs filesystem, specifically in the create subvol function, where an anon dev leak may occur. The actual impact and attack...

PT-2025-8403

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A issue in the Linux kernel has been identified, specifically in the btrfs module. The problem occurs when certain functions, such as btrfs qgroup inherit, btrfs alloc tree block, or btr...