CVE-2026-43117critical

btrfs: tracepoints: get correct superblock from dentry in event btrfs_sync_file()

28Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 9.1epss 0.4%

probabilidad de explotación

0.4%top 67% de las CVE

explotación observada

noninguna fuente lo reporta

In the Linux kernel, the following vulnerability has been resolved: btrfs: tracepoints: get correct superblock from dentry in event btrfs_sync_file() If overlay is used on top of btrfs, dentry->d_sb translates to overlay's super block and fsid assignment will lead to a crash. Use file_inode(file)->i_sb to always get btrfs_sb.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Productos afectados

Linux · Linux

Referencias

https://git.kernel.org/stable/c/2e4adfaec97ee053ad1bdfb5036845e66f7e0d8a https://git.kernel.org/stable/c/32372781d664a9b03c40343e96c29d0a6139f97d https://git.kernel.org/stable/c/4a7bab35fad5251c8cb738161152578cd83b6b9c https://git.kernel.org/stable/c/520e8b4bcf872a534a7bf61ccf880047642df296 https://git.kernel.org/stable/c/a85b46db143fda5869e7d8df8f258ccef5fa1719 https://git.kernel.org/stable/c/c09a7446aab5773f38d6abb25fce99b8e1dfbc97 https://git.kernel.org/stable/c/d110d7cdb045715c0b45b0dfd974525bb38f653d https://git.kernel.org/stable/c/e252db8ca2a01f82d472091f35d549b313278636