Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: KVM: x86: Don't recheck L1 intercepts when completing userspace I/O CVE-2025-40026 kernel: xfrm single-frag length not properly...

Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: KVM: x86: Don't recheck L1 intercepts when completing userspace I/O CVE-2025-40026 kernel: xfrm single-frag length not properly limited kernel: dm log: fix out-of-bounds write due to...

SUSE CVE-2026-43096

In the Linux kernel, the following vulnerability has been resolved: mshv: Fix infinite fault loop on permission-denied GPA intercepts Prevent infinite fault loops when guests access memory regions without proper permissions. Currently, mshvhandlegpaintercept attempts to remap pages for all faults...

Linux Distros Unpatched Vulnerability : CVE-2026-43096

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: mshv: Fix infinite fault loop on permission-denied GPA intercepts Prevent infinite fault loo...

CVE-2026-43096

In the Linux kernel, the following vulnerability has been resolved: mshv: Fix infinite fault loop on permission-denied GPA intercepts Prevent infinite fault loops when guests access memory regions without proper permissions. Currently, mshvhandlegpaintercept attempts to remap pages for all faults...

CVE-2026-43096 mshv: Fix infinite fault loop on permission-denied GPA intercepts

In the Linux kernel, the following vulnerability has been resolved: mshv: Fix infinite fault loop on permission-denied GPA intercepts Prevent infinite fault loops when guests access memory regions without proper permissions. Currently, mshvhandlegpaintercept attempts to remap pages for all faults...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013809)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013809 advisory. In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Don't recheck L1 intercepts when completing userspace I/O When completing emulation of...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011302)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011302 advisory. In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Don't recheck L1 intercepts when completing userspace I/O When completing emulation of...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007602)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007602 advisory. In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Don't recheck L1 intercepts when completing userspace I/O When completing emulation of...

The Manipulate-And-Observe Attack on Quantum Key Distribution

Quantum key distribution is often regarded as an unconditionally secure method to exchange a secret key by harnessing fundamental aspects of quantum mechanics. Despite the robustness of key exchange, classical post-processing reveals vulnerabilities that an eavesdropper could target. In particula...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Do not recheck L1 intercepts when completing userspace I/O When completing emulation of instructions that generate a userspace exit for I/O, do not recheck L1 intercepts since KVM has already completed that phase of...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a substitution of incorrect ASCE index values, which could lead to address delivery errors and validity...

KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O

...

SUSE CVE-2025-40026

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Don't recheck L1 intercepts when completing userspace I/O When completing emulation of instruction that generated a userspace exit for I/O, don't recheck L1 intercepts as KVM has already finished that phase of instructi...

CVE-2025-40026

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Don't recheck L1 intercepts when completing userspace I/O When completing emulation of instruction that generated a userspace exit for I/O, don't recheck L1 intercepts as KVM has already finished that phase of instructi...

EUVD-2025-36441

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Don't recheck L1 intercepts when completing userspace I/O When completing emulation of instruction that generated a userspace exit for I/O, don't recheck L1 intercepts as KVM has already finished that phase of instructi...

CVE-2025-40026

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Don't recheck L1 intercepts when completing userspace I/O When completing emulation of instruction that generated a userspace exit for I/O, don't recheck L1 intercepts as KVM has already finished that phase of instructi...

UBUNTU-CVE-2025-40026

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Don't recheck L1 intercepts when completing userspace I/O When completing emulation of instruction that generated a userspace exit for I/O, don't recheck L1 intercepts as KVM has already finished that phase of instructi...

CVE-2025-40026

CVE-2025-40026 — Linux kernel KVM x86 issue : When completing emulation of an instruction that generated a userspace exit for I/O, the kernel could re-check L1 intercepts even after emulation had completed and the host had effectively allowed L2 to perform the I/O. If the I/O permission bitmaps w...

CVE-2025-40026 KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Don't recheck L1 intercepts when completing userspace I/O When completing emulation of instruction that generated a userspace exit for I/O, don't recheck L1 intercepts as KVM has already finished that phase of instructi...