Linux Distros Unpatched Vulnerability : CVE-2026-23402

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: x86/mmu: Only WARN in direct MMUs when overwriting shadow-present SPTE Adjust KVM's sanity check against overwriting a shadow-present SPTE with a another...

CVE-2026-23402

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM module. This vulnerability allows a host user to bypass KVM's memory management rules by overwriting critical memory structures. This can lead to a compromise of the virtual machine's memory integrity, potentially causing...

CVE-2026-23402

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Only WARN in direct MMUs when overwriting shadow-present SPTE Adjust KVM's sanity check against overwriting a shadow-present SPTE with a another SPTE with a different target PFN to only apply to direct MMUs, i.e. on...

UBUNTU-CVE-2026-23401

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MMIO SPTE When installing an emulated MMIO SPTE, do so after dropping/zapping the existing SPTE if it's shadow-present. While commit a54aa15c6bda3 was right about...

CVE-2026-23402

CVE-2026-23402 affects the Linux kernel KVM MMU on x86. The issue arises when overwriting a shadow-present SPTE with a different PFN, where KVM’s sanity check could allow harmful state changes in direct MMUs (i.e., MMUs without shadowed gPTEs). The problem is tracked in KVM’s mmu_set_spte path, a...

CVE-2026-23402

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Only WARN in direct MMUs when overwriting shadow-present SPTE Adjust KVM's sanity check against overwriting a shadow-present SPTE with a another SPTE with a different target PFN to only apply to direct MMUs, i.e. on...

CVE-2026-23402 KVM: x86/mmu: Only WARN in direct MMUs when overwriting shadow-present SPTE

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Only WARN in direct MMUs when overwriting shadow-present SPTE Adjust KVM's sanity check against overwriting a shadow-present SPTE with a another SPTE with a different target PFN to only apply to direct MMUs, i.e. on...

CVE-2026-23402 KVM: x86/mmu: Only WARN in direct MMUs when overwriting shadow-present SPTE

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Only WARN in direct MMUs when overwriting shadow-present SPTE Adjust KVM's sanity check against overwriting a shadow-present SPTE with a another SPTE with a different target PFN to only apply to direct MMUs, i.e. on...

PT-2026-29485

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Only WARN in direct MMUs when overwriting shadow-present SPTE Adjust KVM's sanity check against overwriting a shadow-present SPTE with a another SPTE with a different target PFN to only apply to direct MMUs, i.e. on...

The vulnerability of the damos_new_filter() function in the mm/damon/core.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 damosnewfilter function in the mm/damon/core.c module of the Linux kernel’s memory management subsystem is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protect...

The vulnerability of the unmerge_and_remove_all_rmap_items() function in the mm/ksm.c module of the Linux kernel’s memory management subsystem allows a hacker to trigger a service failure.

The vulnerability of the unmergeandremoveallrmapitems function in the mm/ksm.c module of the Linux kernel’s memory management subsystem is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to trigger a system failure...

PT-2026-29491

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the apparmor subsystem related to a double free of ns name in the aa replace profiles function. Specifically, if ns name is NULL after unpacking...

The vulnerability of the replace_free_hugepage_folios() function in the mm/hugetlb.c module of the Linux kernel’s memory management subsystem allows a hacker to trigger a service failure.

The vulnerability of the replacefreehugepagefolios function in the mm/hugetlb.c module of the Linux kernel’s memory management subsystem is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to cause a service failure...

SUSE CVE-2026-33984

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, in resizevbarentry in libfreerdp/codec/clear.c, vBarEntry-size is updated to vBarEntry-count before the winpralignedrecalloc call. If realloc fails, size is inflated while pixels still points to the old,...

USN-8127-1: ImageMagick vulnerabilities

It was discovered that ImageMagick did not properly process certain tags prior to an image being loaded. An attacker could possibly use this issue to cause ImageMagick to crash, resulting in a denial of service. CVE-2026-23952 It was discovered that ImageMagick did not properly handle temporary...

Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1495)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1495 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fix null-deref in aggdequeue CVE-2025-40083 In the Linux kernel, the following vulnerability has been...

virtio-win 安全漏洞

virtio-win is an open-source virtual machine simulation software developed by virtio-win. virtio-win has a security vulnerability, which stems from improper memory management during the reset of VirtIO Block devices. This vulnerability may lead to reuse of freed resources after release, as well a...

openSUSE 16 Security Update : kernel (openSUSE-SU-2026:20416-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20416-1 advisory. The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues. The following security issues were fixed: - CVE-2025-39753:...

Adobe Substance3D Stager 资源管理错误漏洞

Adobe Substance3D Stager is a set and rendering software for 3D scenes from the American company Audobee Adobe. A security vulnerability exists in Adobe Substance3D Stager. The vulnerability stems from a mix-up in the instructions responsible for freeing memory, which can be exploited by attacker...

Letta-ai letta 安全漏洞

Letta-ai letta is an open-source stateful proxy framework developed by Letta-ai, featuring memory management, reasoning capabilities, and context handling. Version 0.16.4 of letta-ai letta contains a security vulnerability. This vulnerability arises from incorrect operations on functions in the...