CVE-2026-23416-POC

CVE-2026-23416 — PoC mm/mseal: corregir el final de VMA correctamente al fusionar Vulnerabilidad descubierta por Antonius / Blue Dragon Security Resumen...

CVE-2018-17182

CVE-2018-17182 Linux 内核VMA-UAF 提权漏洞（CVE-2018-17182） About Google Project Zero的网络安全研究人员发布了详细信息，并针对自内核版本3.16到4.18.8以来Linux内核中存在的高严重性漏洞的概念验证（PoC）漏洞利用。 由白帽黑客Jann Horn发现，内核漏洞（CVE-2018-17182）是Linux内存管理子系统中的缓存失效错误，导致释放后使用漏洞， 如果被利用，可能允许攻击者获得root权限目标系统上的特权...

cve-2018-17182

define GNUSOURCE include include include include include include include include include include include int vmaspamcontrolfd = -1; int threaddonefd = -1; int vmaspamdonefd = -1; void semincint fd uint64t val = 1; if writefd, &val, 8 != 8 err1, "seminc"; void semdecint fd uint64t val; if readfd,...

CVE-2018-17182

CVE-2018-17182 Linux kernel VMA-UAF privilege escalation vulnerability CVE-2018-17182 About Google Project Zero cybersecurity researchers have released details and a proof-of-concept PoC exploit for a high-severity vulnerability in the Linux kernel that has been present since kernel versions 3.16...

kernel: Linux kernel: Arbitrary code execution via userfaultfd shadow stack manipulation

A flaw was found in the Linux kernel's userfaultfd mechanism. A local attacker with userfaultfd access could register on shadow stack Virtual Memory Areas VMAs. By discarding a page and injecting a page with chosen return addresses, an attacker could achieve arbitrary code execution. This...

EUVD-2026-66497

In the Linux kernel, the following vulnerability has been resolved: drm/shmemhelper: Check VMA boundaries for PMD mappings In the -hugefault handler do not install a PMD huge page mapping if the huge page exceeds the boundaries of the VMA. All other -hugefault handlers have similar checks and the...

CVE-2026-80582

In the Linux kernel, the following vulnerability has been resolved: drm/shmemhelper: Check VMA boundaries for PMD mappings In the -hugefault handler do not install a PMD huge page mapping if the huge page exceeds the boundaries of the VMA. All other -hugefault handlers have similar checks and the...

UBUNTU-CVE-2026-80582

In the Linux kernel, the following vulnerability has been resolved: drm/shmemhelper: Check VMA boundaries for PMD mappings In the -hugefault handler do not install a PMD huge page mapping if the huge page exceeds the boundaries of the VMA. All other -hugefault handlers have similar checks and the...

CVE-2026-80582

CVE-2026-80582 affects the Linux kernel 's drm/shmem_helper component. The root cause is that the ->huge_fault handler fails to verify whether a PMD (Page Middle Directory) huge page mapping exceeds the boundaries of the VMA (Virtual Memory Area) before installing it. If the mapping does excee...

CVE-2026-80582 drm/shmem_helper: Check VMA boundaries for PMD mappings

In the Linux kernel, the following vulnerability has been resolved: drm/shmemhelper: Check VMA boundaries for PMD mappings In the -hugefault handler do not install a PMD huge page mapping if the huge page exceeds the boundaries of the VMA. All other -hugefault handlers have similar checks and the...

CVE-2026-80582 drm/shmem_helper: Check VMA boundaries for PMD mappings

In the Linux kernel, the following vulnerability has been resolved: drm/shmemhelper: Check VMA boundaries for PMD mappings In the -hugefault handler do not install a PMD huge page mapping if the huge page exceeds the boundaries of the VMA. All other -hugefault handlers have similar checks and the...

PT-2026-82198

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the drm/shmem helper component where the -huge fault handler fails to verify if a PMD Page Middle Directory huge page mapping exceeds the boundaries of the VMA Virtual...

Linux Distros Unpatched Vulnerability : CVE-2026-80582

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/shmemhelper: Check VMA boundaries for PMD mappings In the -hugefault handler do not install a PMD huge page mapping if the huge page exceeds the boundaries ...

Astra Linux – Vulnerabilities in Linux-6.1, Linux-5.15, Linux-5.10

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: Un-sharing of page tables occurs during VMA splitting, not before. Currently, splitvma triggers the un-sharing of hugetlb page tables through vmops-maysplit. This occurs before the VMA lock and rmap locks are taken –...

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

In the Linux kernel, the following vulnerability has been resolved: uacce: Implement mremap in uaccevmops to return -EPERM. The current uaccevmops does not support the mremap operation of vmoperationsstruct. Implement .mremap to return -EPERM to remind users. The reason we need to explicitly...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: Binder: Fix for use-after-free in shinker’s callback The mmap read lock is used during shinker’s callback, which means that using the alloc-vma pointer is not safe, as it could lead to a race condition with munmap. As of commit...

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

In the Linux kernel, the following vulnerability has been resolved: perf/core: Prevents VMA splitting of buffer mappings. The perfmmap code is careful to map the user page using mmap along with the ringbuffer and the auxiliary buffer, when the event supports this. Once the first mapping is...

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

In the Linux kernel, the following vulnerabilities have been resolved: x86/mm/pat: fixed the handling of VMPAT in COW mappings. The handling of VMPAT does not work correctly in COW mappings: the first PTE or, in fact, all PTEs can be replaced during write faults, causing them to point to anonymou...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Fork: Defer linking of the vma until vma is fully initialized. Thorvald reported a WARNING 1. The root cause of the issue lies in a race condition: - CPU 1: fork; - hugetlbfsfallocate; - dupmmap: hugetlbfspunchhole; -...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mapletree: Fixed the MASTATEPREALLOC flag in maspreallocate. The preallocation flag is temporarily cleared when explicit requests for allocations are made. Existing allocations are already counted against the request through...