kernel: 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...

kernel: 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...

kernel: 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...

kernel: 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...

kernel: 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...

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...

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...

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

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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

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...

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...

PT-2025-44093

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.16.0-rc5-c1610d2d66b1-next-vm Description The Linux kernel contains an issue within the KVM component related to handling L1 intercepts during userspace I/O completion. Specifically, the kernel may recheck L1...