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CVE PROGRAM SOURCE RECORD9.1 Critical

CVE-2026-43117

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

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Status
Published
Published
Updated
Assigning organization
Linux

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • bc074524e123ded281cde25ebc5661910f9679e3 to < 4a7bab35fad5251c8cb738161152578cd83b6b9caffected
  • bc074524e123ded281cde25ebc5661910f9679e3 to < 520e8b4bcf872a534a7bf61ccf880047642df296affected
  • bc074524e123ded281cde25ebc5661910f9679e3 to < e252db8ca2a01f82d472091f35d549b313278636affected
  • bc074524e123ded281cde25ebc5661910f9679e3 to < c09a7446aab5773f38d6abb25fce99b8e1dfbc97affected
  • bc074524e123ded281cde25ebc5661910f9679e3 to < 32372781d664a9b03c40343e96c29d0a6139f97daffected
  • bc074524e123ded281cde25ebc5661910f9679e3 to < 2e4adfaec97ee053ad1bdfb5036845e66f7e0d8aaffected
  • bc074524e123ded281cde25ebc5661910f9679e3 to < d110d7cdb045715c0b45b0dfd974525bb38f653daffected
  • bc074524e123ded281cde25ebc5661910f9679e3 to < a85b46db143fda5869e7d8df8f258ccef5fa1719affected

Linux Linux

Default version status: affected

  • 4.8affected
  • 0 to < 4.8unaffected
  • 5.10.258 to ≤ 5.10.*unaffected
  • 5.15.209 to ≤ 5.15.*unaffected
  • 6.1.175 to ≤ 6.1.*unaffected
  • 6.6.136 to ≤ 6.6.*unaffected
  • 6.12.83 to ≤ 6.12.*unaffected
  • 6.18.24 to ≤ 6.18.*unaffected
  • 6.19.14 to ≤ 6.19.*unaffected
  • 7.0 to ≤ *unaffected

References