PT-2026-44273 · Linux · Linux

Published 2026-05-28 · Updated 2026-05-28 · CVE-2026-46150

Mitre

CVSS v3.1

7.1

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

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.

Fix

Related Identifiers

CVE-2026-46150

Affected Products

Linux

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-46150 · Security Note
• https://git.kernel.org/stable/c/f130790f1acc8399f32652846c875a251efd040f · Note
• https://git.kernel.org/stable/c/895ebbedf88318607c24acc0f591c74b165e1d0a · Note
• https://git.kernel.org/stable/c/b7b24b28c8cd55844cab908f4f39dded638d5538 · Note
• https://git.kernel.org/stable/c/7746e3bd4cc19b5092e00d32d676e329bfcb6900 · Note
• https://git.kernel.org/stable/c/7baa02b0ae9d17ec5f08836d8ea88ce1927d0678 · Note