PT-2026-98635

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the nstree component where the legitimize ns function takes a reference to a candidate namespace before the may list ns function determines if the caller has permissio...

PT-2026-96484

In the Linux kernel, the following vulnerability has been resolved: nfsd: release path refs on follow down error nfsd cross mnt initializes a local struct path with mntget and dget before calling follow down. On a negative return the error arm jumps to out without releasing those references: err ...

SUSE CVE-2026-64074

In the Linux kernel, the following vulnerability has been resolved: fs/statmount: fix slab out-of-bounds write in statmountmntidmap statmountmntidmap writes one mapping with seqprintf and then manually advances seq-count to include the NUL separator. If seqprintf overflows, seqsetoverflow sets...

CVE-2026-64074

A flaw was found in the Linux kernel. This vulnerability, located in the statmountmntidmap function, involves an out-of-bounds write. When processing mount ID mappings, an internal buffer can be incorrectly accessed due to an unchecked overflow, leading to a single-byte overwrite. This memory...

CVE-2026-64074

The CVE-2026-64074 issue affects the Linux kernel, specifically a slab out-of-bounds write in statmount_mnt_idmap inside fs/statmount. When building a string with seq_printf(), an overflow may occur and manual increment of seq->count can push it to size+1, causing seq_has_overflowed() to miss ...

CVE-2026-53341 fhandle: fix UAF due to unlocked ->mnt_ns read in may_decode_fh()

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/namespace: The reference leak in grabrequestedmntns has been fixed. lookupmntns already takes a reference to mntns. grabrequestedmntns does not need to take an additional reference...

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...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013503)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013503 advisory. In the Linux kernel, the following vulnerability has been resolved: legitimizemnt: check for MNTSYNCUMOUNT should be under mountlock ... or we risk stealing final...

Siemens SIMATIC S7-1500 Improper Locking (CVE-2025-38058)

In the Linux kernel, the following vulnerability has been resolved: legitimizemnt: check for MNTSYNCUMOUNT should be under mountlock ... or we risk stealing final mntput from sync umount - raising mntcount after umount2 has verified that victim is not busy, but before it has set MNTSYNCUMOUNT; in...

CVE-2026-33194

SiYuan is a personal knowledge management system. Prior to version 3.6.2, the IsSensitivePath function in kernel/util/path.go uses a denylist approach that was recently expanded GHSA-h5vh-m7fg-w5h6, commit 9914fd1 but remains incomplete. Multiple security-relevant Linux directories are not blocke...

Azure Linux 3.0 Security Update: kernel (CVE-2025-37988)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-37988 advisory. - In the Linux kernel, the following vulnerability has been resolved: fix a couple of races in MNTTREEBENEATH...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000736)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000736 advisory. fs/namespace.c in the Linux kernel through 3.16.1 does not properly restrict clearing MNTNODEV, MNTNOSUID, and MNTNOEXEC and changing MNTATIMEMASK during a remount o...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000570)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000570 advisory. The clonemnt function in fs/namespace.c in the Linux kernel before 3.8.6 does not properly restrict changes to the MNTREADONLY flag, which allows local users to bypa...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001894)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001894 advisory. The clonemnt function in fs/namespace.c in the Linux kernel before 3.8.6 does not properly restrict changes to the MNTREADONLY flag, which allows local users to bypa...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002453)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002453 advisory. fs/namespace.c in the Linux kernel before 4.0.2 processes MNTDETACH umount2 system calls without verifying that the MNTLOCKED flag is unset, which allows local users...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002108)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002108 advisory. The clonemnt function in fs/namespace.c in the Linux kernel before 3.8.6 does not properly restrict changes to the MNTREADONLY flag, which allows local users to bypa...

CVE-2025-68300

In the Linux kernel, the following vulnerability has been resolved: fs/namespace: fix reference leak in grabrequestedmntns lookupmntns already takes a reference on mntns. grabrequestedmntns doesn't need to take an extra reference...

Linux Distros Unpatched Vulnerability : CVE-2025-68300

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fs/namespace: fix reference leak in grabrequestedmntns lookupmntns already takes a reference on mntns. grabrequestedmntns doesn't need to take an extra referenc...

Linux mnt_ns_release Heap Buffer Overflow DoS

The vulnerability of the mntnsrelease function in the Linux operating system’s kernel is related to pointer manipulation. Exploiting this vulnerability can allow an attacker to cause a service failure...