kernel: KVM: arm64: Bound used_lrs when flushing the pKVM hyp vCPU

A flaw was found in the Kernel-based Virtual Machine KVM component of the Linux kernel on ARM64 systems. A highly privileged local attacker could exploit a vulnerability where the system fails to properly restrict memory access during a specific virtual machine operation. This could allow the...

kernel: KVM: arm64: Bound used_lrs when flushing the pKVM hyp vCPU

A flaw was found in the Kernel-based Virtual Machine KVM component of the Linux kernel on ARM64 systems. A highly privileged local attacker could exploit a vulnerability where the system fails to properly restrict memory access during a specific virtual machine operation. This could allow the...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098682)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098682 advisory. In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Tear down vGIC on failed vCPU creation If kvmarchvcpucreate fails to share the vCPU...

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

In the Linux kernel, the following vulnerability has been resolved: KVM: Always flush the async PF workqueue when a vCPU is being destroyed. Whenever a vCPU clears its completion queue, i.e., when a VM and all its vCPUs are being destroyed, the async PF workqueue must always be flushed. KVM must...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: KVM: x86: Fixed a stack-out-of-bounds memory access from ioapicwriteindirect. KASAN reports the following issue: BUG: In kvmmakevcpusrequestmask+0x174/0x440 kvm, there is a stack-out-of-bounds situation. A read of size 8 at...

CVE-2026-74517

A flaw was found in KVM Kernel-based Virtual Machine. This vulnerability occurs when the system attempts to process a delayed I/O APIC End-of-Interrupt EOI after the associated virtual CPUs vCPUs have been destroyed. This timing issue results in a Use-After-Free UAF condition, where the system...

SUSE CVE-2026-74517

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Cancel delayed I/O APIC EOI handling before destroying vCPUs Cancel and flush the I/O APIC's delayed EOI handling work during the "pre VM destroy" phase, before vCPUs are destroyed, as processing the EOI broadcast will...

CVE-2026-74517

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Cancel delayed I/O APIC EOI handling before destroying vCPUs Cancel and flush the I/O APIC's delayed EOI handling work during the "pre VM destroy" phase, before vCPUs are destroyed, as processing the EOI broadcast will...

UBUNTU-CVE-2026-74517

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Cancel delayed I/O APIC EOI handling before destroying vCPUs Cancel and flush the I/O APIC's delayed EOI handling work during the "pre VM destroy" phase, before vCPUs are destroyed, as processing the EOI broadcast will...

CVE-2026-74517

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Cancel delayed I/O APIC EOI handling before destroying vCPUs Cancel and flush the I/O APIC's delayed EOI handling work during the "pre VM destroy" phase, before vCPUs are destroyed, as processing the EOI broadcast will...

CVE-2026-74517

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Cancel delayed I/O APIC EOI handling before destroying vCPUs Cancel and flush the I/O APIC's delayed EOI handling work during the "pre VM destroy" phase, before vCPUs are destroyed, as processing the EOI broadcast will...

CVE-2026-74517 KVM: x86: Cancel delayed I/O APIC EOI handling before destroying vCPUs

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Cancel delayed I/O APIC EOI handling before destroying vCPUs Cancel and flush the I/O APIC's delayed EOI handling work during the "pre VM destroy" phase, before vCPUs are destroyed, as processing the EOI broadcast will...

EUVD-2026-59710

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Cancel delayed I/O APIC EOI handling before destroying vCPUs Cancel and flush the I/O APIC's delayed EOI handling work during the "pre VM destroy" phase, before vCPUs are destroyed, as processing the EOI broadcast will...

CVE-2026-74517 KVM: x86: Cancel delayed I/O APIC EOI handling before destroying vCPUs

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Cancel delayed I/O APIC EOI handling before destroying vCPUs Cancel and flush the I/O APIC's delayed EOI handling work during the "pre VM destroy" phase, before vCPUs are destroyed, as processing the EOI broadcast will...

CVE-2026-74517

CVE-2026-74517 : Linux kernel/KVM local issue where delaying and later processing of I/O APIC EOI during VM destruction could cause a use-after-free. The documented fix cancels and flushes the delayed EOI work in the pre-destroy phase before vCPUs are destroyed to prevent injecting IRQs after des...

CVE-2026-72284

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ignore pending PV EOI if the vCPU has since disabled PV EOIs Ignore KVM's internal "service pending PV EOI" request if the vCPU has disabled PV EOIs since the request was made. Asserting that PV EOIs are enabled can fai...

CVE-2026-72284

CVE-2026-72284 affects the Linux kernel KVM on x86, where a logic error in arch/x86/kvm/lapic.c (line ~3338) caused PV EOIs to be ignored if the vCPU later disables PV EOIs, potentially triggering a kernel oops (invalid opcode) during KVM vCPU ioctls. The vulnerability is locally exploitable as p...

PT-2026-72969

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Cancel delayed I/O APIC EOI handling before destroying vCPUs Cancel and flush the I/O APIC's delayed EOI handling work during the "pre VM destroy" phase, before vCPUs are destroyed, as processing the EOI broadcast will...

CVE-2026-68093

A flaw was found in the Linux kernel's KVM Kernel-based Virtual Machine. When a virtual CPU vCPU is scheduled out and its physical CPU pCPU undergoes a hotplug cycle offline and then online, the vCPU might resume with an Address Space Identifier ASID that has been reassigned to another vCPU from ...

CVE-2026-68093

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Bump asidgeneration on CPU online to avoid ASID collision after hotplug If a vCPU stays scheduled out or blocked while the last pCPU it ran on goes through a hotplug cycle online-offline-online, and the vCPU then resume...