CVE-2026-43117

CRITICAL EPSS 31.7%
Published May 6, 20261mo ago · Modified Jun 17, 20262w ago
9.1 CVSS 3.1
Critical
Find Similar
Published May 6, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
9.1
Exploitability
3.9
Impact
5.2
Vector string
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

Threat Intelligence

EPSS Exploit Probability
31.7% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 9

VendorProductVersionRange
linuxlinux_kernel*≥4.8  –  <6.6.136
linuxlinux_kernel*≥6.7  –  <6.12.83
linuxlinux_kernel*≥6.13  –  <6.18.24
linuxlinux_kernel*≥6.19  –  <6.19.14
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any

References 8

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

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/2e4adfaec97ee053ad1bdfb5036845e66f7e0d8a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/32372781d664a9b03c40343e96c29d0a6139f97d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a85b46db143fda5869e7d8df8f258ccef5fa1719
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c09a7446aab5773f38d6abb25fce99b8e1dfbc97
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d110d7cdb045715c0b45b0dfd974525bb38f653d
    Patch