CVE-2026-98466

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Transfer the hyp stack pages out of the host stage-2 fixhostownership walks only the linear-map alias of each memblock region, and the per-CPU hyp stack, mapped in the private VA range for its guard page, has none. Wa...

CVE-2026-98466 KVM: arm64: Transfer the hyp stack pages out of the host stage-2

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Transfer the hyp stack pages out of the host stage-2 fixhostownership walks only the linear-map alias of each memblock region, and the per-CPU hyp stack, mapped in the private VA range for its guard page, has none. Wa...

CVE-2026-98466

A flaw exists in the Linux kernel's KVM subsystem on ARM64 platforms. During protected virtualization mode initialization, the hypervisor fails to revoke host stage-2 access permissions for per-CPU hypervisor stack memory pages because the fix_host_ownership() function fails to walk the private V...

CVE-2026-98466 KVM: arm64: Transfer the hyp stack pages out of the host stage-2

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Transfer the hyp stack pages out of the host stage-2 fixhostownership walks only the linear-map alias of each memblock region, and the per-CPU hyp stack, mapped in the private VA range for its guard page, has none. Wa...

CVE-2021-47450 KVM: arm64: Fix host stage-2 PGD refcount

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix host stage-2 PGD refcount The KVM page-table library refcounts the pages of concatenated stage-2 PGDs individually. However, when running KVM in protected mode, the host's stage-2 PGD is currently managed by EL2 a...

GSD-2021-1002164 KVM: arm64: Fix host stage-2 PGD refcount

KVM: arm64: Fix host stage-2 PGD refcount This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15 by commit...

UVI-2021-1002095 KVM: arm64: Fix host stage-2 PGD refcount

KVM: arm64: Fix host stage-2 PGD refcount This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.14.15 by commit...

PT-2021-30629

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15 Description The issue is related to the KVM on arm64, specifically concerning the host stage-2 PGD refcount. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux...

PT-2021-30560

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.14.15 Description The issue is related to the KVM on arm64, specifically concerning the host stage-2 PGD refcount. The actual impact and attack plausibility have not yet been proven. Recommendations For versio...

UVI-2021-1001894 KVM: arm64: Fix host stage-2 PGD refcount

KVM: arm64: Fix host stage-2 PGD refcount This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.14.15 by commit...

PT-2021-26364

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.14.15 Description: The issue is related to the KVM on arm64, specifically concerning the host stage-2 PGD refcount. The actual impact and attack plausibility have not yet been proven. Recommendations: For...