Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fanotify: Validate the return value of mntnsfromdentry before dereferencing it. The function dofanotifymark does not validate whether mntnsfromdentry returns NULL before dereferencing mntns-userns. This causes a NULL pointer...

fanotify: fix false positive on permission events

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SUSE CVE-2026-46150

In the Linux kernel, the following vulnerability has been resolved: fanotify: fix false positive on permission events fsnotifygetmarksafe 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...

Linux Distros Unpatched Vulnerability : CVE-2026-46150

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fanotify: fix false positive on permission events fsnotifygetmarksafe may return false for a mark on an unrelated group, which results in bypassing the permissi...

CVE-2026-46150

A flaw was found in the Linux kernel's fanotify subsystem. This vulnerability allows for a bypass of permission checks because the fsnotifygetmarksafe function may incorrectly return false for marks on unrelated groups. This could enable an attacker to perform unauthorized actions by circumventin...

CVE-2026-46150

In the Linux kernel, the following vulnerability has been resolved: fanotify: fix false positive on permission events fsnotifygetmarksafe 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...

UBUNTU-CVE-2026-46150

In the Linux kernel, the following vulnerability has been resolved: fanotify: fix false positive on permission events fsnotifygetmarksafe 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...

CVE-2026-46150

In the Linux kernel, the following vulnerability has been resolved: fanotify: fix false positive on permission events fsnotifygetmarksafe 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...

EUVD-2026-32777

In the Linux kernel, the following vulnerability has been resolved: fanotify: fix false positive on permission events fsnotifygetmarksafe 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...

CVE-2026-46150 fanotify: fix false positive on permission events

In the Linux kernel, the following vulnerability has been resolved: fanotify: fix false positive on permission events fsnotifygetmarksafe 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...

CVE-2026-46150

The CVE-2026-46150 issue affects the Linux kernel fanotify subsystem. It arises because fsnotify_get_mark_safe() may return false for a mark in an unrelated group, bypassing the permission check. The fix patches the logic to skip detached marks that are not in the current group, mitigating the by...

CVE-2026-46150

In the Linux kernel, the following vulnerability has been resolved: fanotify: fix false positive on permission events fsnotifygetmarksafe 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...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the function fsnotifygetmarksafe in fanotify. This function may return false positives for...

PT-2026-44273

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw in the fanotify system allows the fsnotify get mark safe function to return false for a mark on an unrelated group. This behavior leads to the bypassing of permission checks. The...

UBUNTU-CVE-2025-68788

In the Linux kernel, the following vulnerability has been resolved: fsnotify: do not generate ACCESS/MODIFY events on child for special files inotify/fanotify do not allow users with no read access to a file to subscribe to events e.g. INACCESS/INMODIFY, but they do allow the same user to subscri...

SUSE CVE-2025-40072

In the Linux kernel, the following vulnerability has been resolved: fanotify: Validate the return value of mntnsfromdentry before dereferencing The function dofanotifymark does not validate if mntnsfromdentry returns NULL before dereferencing mntns-userns. This causes a NULL pointer dereference i...

CVE-2025-40072

In the Linux kernel, the following vulnerability has been resolved: fanotify: Validate the return value of mntnsfromdentry before dereferencing The function dofanotifymark does not validate if mntnsfromdentry returns NULL before dereferencing mntns-userns. This causes a NULL pointer dereference i...

UBUNTU-CVE-2025-40072

In the Linux kernel, the following vulnerability has been resolved: fanotify: Validate the return value of mntnsfromdentry before dereferencing The function dofanotifymark does not validate if mntnsfromdentry returns NULL before dereferencing mntns-userns. This causes a NULL pointer dereference i...

EUVD-2025-36456

In the Linux kernel, the following vulnerability has been resolved: fanotify: Validate the return value of mntnsfromdentry before dereferencing The function dofanotifymark does not validate if mntnsfromdentry returns NULL before dereferencing mntns-userns. This causes a NULL pointer dereference i...

CVE-2025-40072

CVE-2025-40072 concerns the Linux kernel and describes a NULL pointer dereference in do_fanotify_mark() caused by not validating the return value of mnt_ns_from_dentry() before dereferencing mntns->user_ns. The publicly provided data shows the issue and a patch that fixes it by checking the re...