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

CVE-2026-46054 affects the Linux kernel SELinux overlayfs access checks for mmap() and mprotect(). The issue arises from insufficient enforcement of backing-file access between the user file and backing file, potentially bypassing policies. A patch introduces security_mmap_backing_file() to enfor...

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...

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...

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 incomplete access checks for mmap and mprotect functions in the overlayfs module of SELinux. This...

CVE-2026-46054: Improper Handling of Insufficient Permissions or Privileges

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

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...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/mprotect: Only reference swappfn is called if the type matches. Yu Zhao reported a bug after the commit “mm/swap: Add swpoffsetpfn to fetch PFN from swap entries” added a check in swpoffsetpfn for the swap type 1: Kernel bug a...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011165)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011165 advisory. In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: avoid soft lockup when mprotect to large memory area When calling mprotect to a larg...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013043)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013043 advisory. In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: avoid soft lockup when mprotect to large memory area When calling mprotect to a larg...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007502)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007502 advisory. In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: avoid soft lockup when mprotect to large memory area When calling mprotect to a larg...

CVE-2026-39421 MaxKB: Sandbox escape via ctypes and unhooked SYS_pkey_mprotect

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a sandbox escape vulnerability in the ToolExecutor component. By leveraging Python's ctypes library to execute raw system calls, an authenticated attacker with workspace privileges can bypass the LDPRELOAD-based...

CVE-2026-39421 MaxKB: Sandbox escape via ctypes and unhooked SYS_pkey_mprotect

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a sandbox escape vulnerability in the ToolExecutor component. By leveraging Python's ctypes library to execute raw system calls, an authenticated attacker with workspace privileges can bypass the LDPRELOAD-based...

The vulnerability of the change_pte_range() function in the mm/mprotect.c module of the Linux kernel’s memory management subsystem allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the changepterange function in the mm/mprotect.c module of the Linux kernel’s memory management subsystem is related to code errors. Exploiting this vulnerability could allow a remote attacker to compromise the confidentiality, integrity, and accessibility of the protected...

Secure In-Memory Execution with W^X Enforcement Using mprotect

This C program demonstrates how to dynamically control memory allocation with the W^X protection principle...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: avoiding soft lockup when using mprotect on a large memory area When calling mprotect on a large hugetlb memory area in our customer’s workload 300GB of hugetlb memory, soft lockup was observed: watchdog: BUG: soft...

SUSE CVE-2025-40153

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: avoid soft lockup when mprotect to large memory area When calling mprotect to a large hugetlb memory area in our customer's workload 300GB hugetlb memory, soft lockup was observed: watchdog: BUG: soft lockup - CPU98...

CVE-2025-40153

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: avoid soft lockup when mprotect to large memory area When calling mprotect to a large hugetlb memory area in our customer's workload 300GB hugetlb memory, soft lockup was observed: watchdog: BUG: soft lockup - CPU98...

EUVD-2025-124930

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: avoid soft lockup when mprotect to large memory area When calling mprotect to a large hugetlb memory area in our customer's workload 300GB hugetlb memory, soft lockup was observed: watchdog: BUG: soft lockup - CPU98...

CVE-2025-40153

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: avoid soft lockup when mprotect to large memory area When calling mprotect to a large hugetlb memory area in our customer's workload 300GB hugetlb memory, soft lockup was observed: watchdog: BUG: soft lockup - CPU98...