CVE-2026-46150

HIGH

fanotify: fix false positive on permission events

Title source: cna
STIX 2.1

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.

References (8)

Core 8

Scores

CVSS v3 7.1
EPSS 0.0014
EPSS Percentile 3.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Details

Status published
Products (28)
linux/Kernel 4.12.0 - 5.10.258linux
linux/Kernel 5.11.0 - 5.15.209linux
linux/Kernel 5.16.0 - 6.1.175linux
linux/Kernel 6.13.0 - 6.18.30linux
linux/Kernel 6.19.0 - 7.0.7linux
linux/Kernel 6.2.0 - 6.6.140linux
linux/Kernel 6.7.0 - 6.12.88linux
Linux/Linux < 4.12
Linux/Linux 4.12
Linux/Linux 5.10.258 - 5.10.*
... and 18 more
Published May 28, 2026
Tracked Since May 28, 2026