EUVD-2026-32436

In the Linux kernel, the following vulnerability has been resolved: selinux: fix overlayfs mmap and mprotect access checks The existing SELinux security model for overlayfs is to allow access if the current task is able to access the top level file the "user" file and the mounter's credentials ar...

CVE-2026-46054 selinux: fix overlayfs mmap() and mprotect() access checks

In the Linux kernel, the following vulnerability has been resolved: selinux: fix overlayfs mmap and mprotect access checks The existing SELinux security model for overlayfs is to allow access if the current task is able to access the top level file the "user" file and the mounter's credentials ar...

PT-2026-43921

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The SELinux security model for overlayfs allows access if the current task can access the top-level user file and the mounter's credentials are sufficient for the lower-level backing fil...

Linux Distros Unpatched Vulnerability : CVE-2026-46054

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - selinux: fix overlayfs mmap and mprotect access checks The existing SELinux security model for overlayfs is to allow access if the current task is able to acces...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ovl: fixed the warning in ovlcreatereal Syzbot triggered the following warning in ovlworkdircreate - ovlcreatereal: if !err && WARNON!newdentry-d inode The reason is that the cgroup2 filesystem returns from mkdir without...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ovl: Use the “buf” flexible array as the destination for memcpy. The “buf” flexible array must be used as the destination for memcpy to avoid false positive run-time warnings caused by the recent FORTIFYSOURCE hardening measures:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: The fs subsystem requires passing the ATGETATTRNOSEC flag to the getattr interface function. When the vfsgetattrnosec function calls the getattr interface of a file system, the nosec flag should be propagated into this function, ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ovl: Fixed a NULL pointer dereference issue in the copy-up warning message. This patch addresses a NULL pointer dereference that caused a recently introduced warning message to fail...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ovl: fixed null pointer dereferencing in ovlgetaclrcu The processes involved are: P1 P2 pathopenat linkpathwalk maylookup inodepermissionrcu ovlpermission aclpermissioncheck checkacl getcachedaclrcu ovlgetinodeacl realinode =...

Astra Linux – Vulnerability in Linux, Linux 5.10

A race condition accessing file objects in the Linux kernel OverlayFS subsystem was identified. This occurs when users renames files using OverlayFS in a specific manner. A local user could exploit this flaw to cause the system to crash...

Astra Linux – Vulnerability in Linux

Local privilege escalation vulnerability in Ubuntu Kernels overlayfs: Ovlcopyupmeta inodedata function skips permission checks when calling ohldosetxattr on Ubuntu kernels...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

A flaw was discovered in the Linux kernel, where unauthorized access to the execution of the setuid file with specific capabilities was detected within the OverlayFS subsystem of the Linux kernel. This issue occurs when a user copies a file with capabilities from a nosuid mount to another mount...

SUSE CVE-2026-43117

In the Linux kernel, the following vulnerability has been resolved: btrfs: tracepoints: get correct superblock from dentry in event btrfssyncfile If overlay is used on top of btrfs, dentry-dsb translates to overlay's super block and fsid assignment will lead to a crash. Use fileinodefile-isb to...

CLSA-2026-1775657177 kernel: Fix of 9 CVEs

ovl: Filter invalid inodes with missing lookup function CVE-2024-56570 - ALSA: aloop: Fix racy access at PCM trigger CVE-2026-23191 - media: imon: reorganize serialization CVE-2025-39993 - usb: xhci: Fix inverted ringxrunevent check in handletxevent CVE-2025-37882 - Revert "VFS: Impose ordering...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000640)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000640 advisory. fs/overlayfs/copyup.c in the Linux kernel before 4.2.6 uses an incorrect cleanup code path, which allows local users to cause a denial of service dentry reference le...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003127)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003127 advisory. The overlayfs implementation in the Linux kernel through 4.5.2 does not properly restrict the mount namespace, which allows local users to gain privileges by mountin...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001828)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001828 advisory. fs/overlayfs/copyup.c in the Linux kernel before 4.2.6 uses an incorrect cleanup code path, which allows local users to cause a denial of service dentry reference le...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002135)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002135 advisory. fs/overlayfs/copyup.c in the Linux kernel before 4.2.6 uses an incorrect cleanup code path, which allows local users to cause a denial of service dentry reference le...

ROS-20260114-7329

A vulnerability in the ovlencoderealfh fs/overlayfs/copyup.c and showmarkfhandle fs/notify/fdinfo.c functions of the Linux operating system kernel is related to a flaw in the use of assert. Exploitation of the vulnerability allows an attacker to cause a denial of service...

SUSE CVE-2023-54313

In the Linux kernel, the following vulnerability has been resolved: ovl: fix null pointer dereference in ovlgetaclrcu Following process: P1 P2 pathopenat linkpathwalk maylookup inodepermissionrcu ovlpermission aclpermissioncheck checkacl getcachedaclrcu ovlgetinodeacl realinode =...