CVE-2026-43117

CRITICAL 9.1

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

CVSS Score

9.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	linux
Product	linux
Ecosystems	Linux Kernel
Industries	Technology
Published	May 6, 2026
Last Updated	Jun 1, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Linux / Linux

bc074524e123ded281cde25ebc5661910f9679e3 < 4a7bab35fad5251c8cb738161152578cd83b6b9c bc074524e123ded281cde25ebc5661910f9679e3 < 520e8b4bcf872a534a7bf61ccf880047642df296 bc074524e123ded281cde25ebc5661910f9679e3 < e252db8ca2a01f82d472091f35d549b313278636 bc074524e123ded281cde25ebc5661910f9679e3 < c09a7446aab5773f38d6abb25fce99b8e1dfbc97 bc074524e123ded281cde25ebc5661910f9679e3 < 32372781d664a9b03c40343e96c29d0a6139f97d bc074524e123ded281cde25ebc5661910f9679e3 < 2e4adfaec97ee053ad1bdfb5036845e66f7e0d8a bc074524e123ded281cde25ebc5661910f9679e3 < d110d7cdb045715c0b45b0dfd974525bb38f653d bc074524e123ded281cde25ebc5661910f9679e3 < a85b46db143fda5869e7d8df8f258ccef5fa1719

Linux / Linux

4.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗