Vulnerability record · CVE-2026-43117 · published 6 May 2026

CVE-2026-43117: Linux kernel vulnerability

Linux · Linux Kernel

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.

9.1 CVSS 3.1 Critical EPSS 0.74% · top 47.4%

9.1CVSS 3.1 base score

0.74%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

8References

17 Jun 2026Last modified by NVD

Description

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Linux Kernel Linux

References

Link	Tags
https://git.kernel.org/stable/c/2e4adfaec97ee053ad1bdfb5036845e66f7e0d8a	Patch
https://git.kernel.org/stable/c/32372781d664a9b03c40343e96c29d0a6139f97d	Patch
https://git.kernel.org/stable/c/4a7bab35fad5251c8cb738161152578cd83b6b9c
https://git.kernel.org/stable/c/520e8b4bcf872a534a7bf61ccf880047642df296
https://git.kernel.org/stable/c/a85b46db143fda5869e7d8df8f258ccef5fa1719	Patch
https://git.kernel.org/stable/c/c09a7446aab5773f38d6abb25fce99b8e1dfbc97	Patch
https://git.kernel.org/stable/c/d110d7cdb045715c0b45b0dfd974525bb38f653d	Patch
https://git.kernel.org/stable/c/e252db8ca2a01f82d472091f35d549b313278636

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-43117), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.