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CVE-2026-43117

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CVE-2026-43117

Published: May 6, 2026

Modified: Jun 1, 2026

PUBLISHED

CVSS v3.1

9.1

CRITICAL

Description

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.

VendorProductVersions

Linux

Linux

affected
bc074524e123ded281cde25ebc5661910f9679e3 - < 4a7bab35fad5251c8cb738161152578cd83b6b9c
affected
bc074524e123ded281cde25ebc5661910f9679e3 - < 520e8b4bcf872a534a7bf61ccf880047642df296
affected
bc074524e123ded281cde25ebc5661910f9679e3 - < e252db8ca2a01f82d472091f35d549b313278636
affected
bc074524e123ded281cde25ebc5661910f9679e3 - < c09a7446aab5773f38d6abb25fce99b8e1dfbc97
affected
bc074524e123ded281cde25ebc5661910f9679e3 - < 32372781d664a9b03c40343e96c29d0a6139f97d

+3 more versions

Linux

Linux

affected
4.8
unaffected
0 - < 4.8
unaffected
5.10.258 - <= 5.10.*
unaffected
5.15.209 - <= 5.15.*
unaffected
6.1.175 - <= 6.1.*

+5 more versions

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

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