CVE-2026-43117

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

9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS

0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-25)

CWE

CWE-476

Published

2026-05-06

Modified

2026-10-19

Record from

the NVD, synced 2026-10-21

Affected

• linux:linux_kernel

References

• 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

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