Bug 2482612 (CVE-2026-46150) - CVE-2026-46150 kernel: fanotify: fix false positive on permission events
Summary: CVE-2026-46150 kernel: fanotify: fix false positive on permission events
Keywords:
Status: NEW
Alias: CVE-2026-46150
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-28 11:05 UTC by OSIDB Bzimport
Modified: 2026-07-31 18:06 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:42919 0 None None None 2026-07-21 17:10:12 UTC
Red Hat Product Errata RHSA-2026:43307 0 None None None 2026-07-22 10:08:03 UTC
Red Hat Product Errata RHSA-2026:49213 0 None None None 2026-07-31 18:06:03 UTC
Red Hat Product Errata RHSA-2026:49214 0 None None None 2026-07-31 17:55:23 UTC

Description OSIDB Bzimport 2026-05-28 11:05:48 UTC 
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.
Comment 1 Keith Grant 2026-05-28 16:17:18 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026052822-CVE-2026-46150-c96d@gregkh/T
Comment 4 errata-xmlrpc 2026-07-21 17:10:11 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:42919 https://access.redhat.com/errata/RHSA-2026:42919
Comment 5 errata-xmlrpc 2026-07-22 10:08:02 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:43307 https://access.redhat.com/errata/RHSA-2026:43307
Comment 7 errata-xmlrpc 2026-07-31 17:55:22 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:49214 https://access.redhat.com/errata/RHSA-2026:49214
Comment 8 errata-xmlrpc 2026-07-31 18:06:02 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:49213 https://access.redhat.com/errata/RHSA-2026:49213
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