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...

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 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...

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...

Overlayfs Heap Buffer Overflow DoS

The vulnerability of the ovlpermission function in the fs/overlayfs/inode.c file of the Overlayfs file system in the Linux operating system is related to the dereferencing of the NULL pointer. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

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 20.1060e / 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...

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...

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 =...

EUVD-2023-60491

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 =...

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 =...

UBUNTU-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 =...

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 =...

CVE-2023-54313 ovl: fix null pointer dereference in ovl_get_acl_rcu()

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 =...

CVE-2023-54313 ovl: fix null pointer dereference in ovl_get_acl_rcu()

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 =...