CVE-2026-46150 Details
Description
In the Linux kernel, the following vulnerability has been resolved: fanotify: fix false positive on permission events fsnotify_get_mark_safe() may return false for a mark on an unrelated group, which results in bypassing the permission check. Fix by skipping over detached marks that are not in the current group.
A vulnerability in the Linux kernel's fanotify implementation can lead to a bypass of permission checks. This issue arises because the function 'fsnotify_get_mark_safe()' may incorrectly return a false negative for marks associated with unrelated groups. As a result, the permission verification can be unintentionally skipped. The vulnerability has been addressed by modifying the function to ignore detached marks not belonging to the current group, ensuring that permission checks are accurately enforced.
Users can upgrade to the patched version of the Linux kernel available in the official Linux Kernel Git Repository. Instructions for downloading the latest stable version can be found on the Linux Kernel website.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://git.kernel.org/stable/c/04bb66be92f48ed13c3faf1139d892df228789bc | kernel.org | Patch |
| https://git.kernel.org/stable/c/4a7611ad653785fcdea5ff5f4441e2b7d05b7f11 | kernel.org | Patch |
| https://git.kernel.org/stable/c/7746e3bd4cc19b5092e00d32d676e329bfcb6900 | kernel.org | Patch |
| https://git.kernel.org/stable/c/7baa02b0ae9d17ec5f08836d8ea88ce1927d0678 | kernel.org | Patch |
| https://git.kernel.org/stable/c/895ebbedf88318607c24acc0f591c74b165e1d0a | kernel.org | Patch |
| https://git.kernel.org/stable/c/a24765332e129c1916d5a6615418b75599b8fcdc | kernel.org | Patch |
| https://git.kernel.org/stable/c/b7b24b28c8cd55844cab908f4f39dded638d5538 | kernel.org | Patch |
| https://git.kernel.org/stable/c/f130790f1acc8399f32652846c875a251efd040f | kernel.org | Patch |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-noinfo | Insufficient Information to Classify Weakness | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| linux linux kernel | >= 4.12, < 5.10.258 >= 5.11, < 5.15.209 >= 5.16, < 6.1.175 >= 6.2, < 6.6.140 >= 6.7, < 6.12.88 >= 6.13, < 6.18.30 >= 6.19, < 7.0.7 7.1 rc1 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | kernel.org |
| Jun 9, 2026 | Initial Analysis | [email protected] |
| Jun 1, 2026 | CVE Modified | kernel.org |
| May 30, 2026 | CVE Modified | kernel.org |
| May 28, 2026 | New CVE Received | kernel.org |