CVE-2026-43117CRITICAL 9.1EPSS p32.1%

CVE-2026-43117CVE-2026-43117

linux / linux_kernel

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.

Scoring

CVSS 3.19.1 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS0.40% probability of exploitation · percentile 32.1% · 2026-06-18T12:00:27Z
Published2026-05-06
Last modified2026-06-01

References

  1. https://git.kernel.org/stable/c/2e4adfaec97ee053ad1bdfb5036845e66f7e0d8a
  2. https://git.kernel.org/stable/c/32372781d664a9b03c40343e96c29d0a6139f97d
  3. https://git.kernel.org/stable/c/a85b46db143fda5869e7d8df8f258ccef5fa1719
  4. https://git.kernel.org/stable/c/c09a7446aab5773f38d6abb25fce99b8e1dfbc97
  5. https://git.kernel.org/stable/c/d110d7cdb045715c0b45b0dfd974525bb38f653d

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