CVE-2026-63941

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Correctly cap ZCREL2 provided by a guest hypervisor ZCREL2 can be updated by a VHE guest hypervisor either using ZCREL2 which traps or ZCREL1 which does not trap. KVM handles both in different way: - on ZCREL2 trap,...

CVE-2026-64106 KVM: arm64: vgic-its: Reject restored DTE with out-of-range num_eventid_bits

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Reject restored DTE with out-of-range numeventidbits Userspace can restore an ITS Device Table Entry whose Size field encodes more EventID bits than the virtual ITS supports. The live MAPD path rejects that...

CVE-2026-64105

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic: Free privateirqs when init fails after allocation Companion to commit 250f25367b58 "KVM: arm64: Tear down vGIC on failed vCPU creation", which added the missing kvmvgicvcpudestroy call to the kvmsharehyp failure...

CVE-2026-63941 KVM: arm64: Correctly cap ZCR_EL2 provided by a guest hypervisor

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Correctly cap ZCREL2 provided by a guest hypervisor ZCREL2 can be updated by a VHE guest hypervisor either using ZCREL2 which traps or ZCREL1 which does not trap. KVM handles both in different way: - on ZCREL2 trap,...

EUVD-2026-45714

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Correctly cap ZCREL2 provided by a guest hypervisor ZCREL2 can be updated by a VHE guest hypervisor either using ZCREL2 which traps or ZCREL1 which does not trap. KVM handles both in different way: - on ZCREL2 trap,...

PT-2026-61258

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Correctly cap ZCR EL2 provided by a guest hypervisor ZCR EL2 can be updated by a VHE guest hypervisor either using ZCR EL2 which traps or ZCR EL1 which does not trap. KVM handles both in different way: - on ZCR EL2...

PT-2026-61423

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Reject restored DTE with out-of-range num eventid bits Userspace can restore an ITS Device Table Entry whose Size field encodes more EventID bits than the virtual ITS supports. The live MAPD path rejects tha...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Correctly handling the kvmarminit failure in finalizepkvm Currently, there is no synchronization between the finalizepkvm and kvmarminit initcalls. The finalizepkvm continues to execute even if kvmarminit fails,...

CVE-2026-43351

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM for arm64 architectures. When a virtual Generic Interrupt Controller GIC is created, a failure in the vgicallocateprivateirqslocked function can leave internal data structures uninitialized. This can lead to a system crash wh...

PT-2026-39012

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In the KVM arm64 component, a failure in the vgic allocate private irqs locked function during vgic creation can lead to dist-rd regions remaining uninitialized. Consequently, when kvm...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the failure of vgicallocateprivateirqslocked in the KVM ARM64 virtual GIC, causing it to exit...

PT-2026-30039

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue in KVM for arm64 systems related to the initialization of ID registers for non-protected pKVM guests. The hypervisor incorrectly copies the KVM ARCH FL...

K000160227: Linux kernel vulnerability CVE-2025-37849

Security Advisory Description 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 page with the hypervisor, we propagate the error back to the ioctl but leave the vGIC vCPU data...

kernel security update

6.12.0-124.31.1 - Add new Oracle Linux Driver Signing key 1 certificate Orabug: 37985782 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list...

kernel: KVM: arm64: Tear down vGIC on failed vCPU creation

A use-after-free flaw was found in KVM for arm64 in the Linux Kernel, if the kvmarchvcpucreate fails to share the vCPU page with the hypervisor. This vulnerability could even lead to a kernel information leak problem...

UBUNTU-CVE-2025-40266

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Check the untrusted offset in FF-A memory share Verify the offset to prevent OOB access in the hypervisor FF-A buffer in case an untrusted large enough value U32MAX - sizeofstruct ffacompositememregion + 1, U32MAX is...

CVE-2025-40184 KVM: arm64: Fix debug checking for np-guests using huge mappings

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix debug checking for np-guests using huge mappings When running with transparent huge pages and CONFIGNVHEEL2DEBUG then the debug checking in asserthostsharedguest fails on the launch of an np-guest. This WARNON...

AZL-69412 CVE-2025-40102 affecting package kernel 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Prevent access to vCPU events before init Another day, another syzkaller bug. KVM erroneously allows userspace to pend vCPU events for a vCPU that hasn't been initialized yet, leading to KVM interpreting a bunch of...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-425481)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-425481 advisory. In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgicv2parseattr vgicv2parseattr is responsible fo...

Linux Distros Unpatched Vulnerability : CVE-2023-53319

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: KVM: arm64: Handle kvmarminit failure correctly in finalizepkvm Currently there is no...