CVE-2026-46150
fanotify: fix false positive on permission events
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.
INFO
Published Date :
May 28, 2026, 10:16 a.m.
Last Modified :
June 9, 2026, 9:06 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
Solution
- Update the Linux kernel to the latest patched version.
- Verify the fanotify permission check logic is correctly applied.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-46150.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-46150 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-46150
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-46150 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-46150 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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Initial Analysis by [email protected]
Jun. 09, 2026
Action Type Old Value New Value Added CWE NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.30 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.175 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.209 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 7.0.7 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.88 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.140 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.12 up to (excluding) 5.10.258 Added Reference Type kernel.org: https://git.kernel.org/stable/c/04bb66be92f48ed13c3faf1139d892df228789bc Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/4a7611ad653785fcdea5ff5f4441e2b7d05b7f11 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/7746e3bd4cc19b5092e00d32d676e329bfcb6900 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/7baa02b0ae9d17ec5f08836d8ea88ce1927d0678 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/895ebbedf88318607c24acc0f591c74b165e1d0a Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/a24765332e129c1916d5a6615418b75599b8fcdc Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/b7b24b28c8cd55844cab908f4f39dded638d5538 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/f130790f1acc8399f32652846c875a251efd040f Types: Patch -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 01, 2026
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/04bb66be92f48ed13c3faf1139d892df228789bc Added Reference https://git.kernel.org/stable/c/4a7611ad653785fcdea5ff5f4441e2b7d05b7f11 Added Reference https://git.kernel.org/stable/c/a24765332e129c1916d5a6615418b75599b8fcdc -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 30, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2026
Action Type Old Value New Value Added 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. Added Reference https://git.kernel.org/stable/c/7746e3bd4cc19b5092e00d32d676e329bfcb6900 Added Reference https://git.kernel.org/stable/c/7baa02b0ae9d17ec5f08836d8ea88ce1927d0678 Added Reference https://git.kernel.org/stable/c/895ebbedf88318607c24acc0f591c74b165e1d0a Added Reference https://git.kernel.org/stable/c/b7b24b28c8cd55844cab908f4f39dded638d5538 Added Reference https://git.kernel.org/stable/c/f130790f1acc8399f32652846c875a251efd040f