denuOwO-hypervisor-vulnerabilities

DenuOwO SVM/VMX Hypervisor — 6 Vulnerabilities PoC + Analysis...

SUSE CVE-2026-31592

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Protect all of sevmemencregisterregion with kvm-lock Take and hold kvm-lock for before checking sevguest in sevmemencregisterregion, as sevguest isn't stable unless kvm-lock is held or KVM can guarantee KVMSEVINIT2 has...

SUSE CVE-2026-31600

In the Linux kernel, the following vulnerability has been resolved: arm64: mm: Handle invalid large leaf mappings correctly It has been possible for a long time to mark ptes in the linear map as invalid. This is done for secretmem, kfence, realm dma memory un/share, and others, by simply clearing...

CVE-2026-31600

A flaw was found in the Linux kernel's memory management for the arm64 architecture. The kernel incorrectly processes invalid large leaf mappings, which are specific entries used to manage system memory. This vulnerability can be triggered by a local user or a guest operating system, leading to a...

CVE-2026-41326

Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines VMs that perform like containers. From v3.4.0 to v3.28.0, an oversight in the CopyFile policy and perhaps the CopyFile handler allows untrusted hosts to write to arbitrary locations...

CVE-2026-41326 Kata Containers: CopyFile Policy Subversion via Symlinks

Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines VMs that perform like containers. From v3.4.0 to v3.28.0, an oversight in the CopyFile policy and perhaps the CopyFile handler allows untrusted hosts to write to arbitrary locations...

CVE-2026-41326

Kata Containers CVE-2026-41326 affects versions v3.4.0–v3.28.0 due to an oversight in the CopyFile policy/handler that allows untrusted hosts to write to arbitrary locations inside the guest workload image. This can overwrite binaries inside the guest and exfiltrate data from containers, includin...

CVE-2026-41326 Kata Containers: CopyFile Policy Subversion via Symlinks

Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines VMs that perform like containers. From v3.4.0 to v3.28.0, an oversight in the CopyFile policy and perhaps the CopyFile handler allows untrusted hosts to write to arbitrary locations...

EUVD-2026-25611

Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines VMs that perform like containers. From v3.4.0 to v3.28.0, an oversight in the CopyFile policy and perhaps the CopyFile handler allows untrusted hosts to write to arbitrary locations...

CVE-2026-41326

Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines VMs that perform like containers. From v3.4.0 to v3.28.0, an oversight in the CopyFile policy and perhaps the CopyFile handler allows untrusted hosts to write to arbitrary locations...

CVE-2026-41326 Kata Containers: CopyFile Policy Subversion via Symlinks

Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines VMs that perform like containers. From v3.4.0 to v3.28.0, an oversight in the CopyFile policy and perhaps the CopyFile handler allows untrusted hosts to write to arbitrary locations...

DEBIAN-CVE-2026-31593

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Reject attempts to sync VMSA of an already-launched/encrypted vCPU Reject synchronizing vCPU state to its associated VMSA if the vCPU has already been launched, i.e. if the VMSA has already been encrypted. On a host wit...

CVE-2026-31600

Summary of CVE-2026-31600 : Linux kernel arm64 memory management vulnerability where invalid large leaf mappings could cause a kernel panic due to mis-handling of cleared PTE_VALID bits. Publicly disclosed details describe the root cause in arm64 mm: handling invalid large leaf mappings and the o...

CVE-2026-31600 arm64: mm: Handle invalid large leaf mappings correctly

In the Linux kernel, the following vulnerability has been resolved: arm64: mm: Handle invalid large leaf mappings correctly It has been possible for a long time to mark ptes in the linear map as invalid. This is done for secretmem, kfence, realm dma memory un/share, and others, by simply clearing...

CVE-2026-31593

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Reject attempts to sync VMSA of an already-launched/encrypted vCPU Reject synchronizing vCPU state to its associated VMSA if the vCPU has already been launched, i.e. if the VMSA has already been encrypted. On a host wit...

CVE-2026-31592

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Protect all of sevmemencregisterregion with kvm-lock Take and hold kvm-lock for before checking sevguest in sevmemencregisterregion, as sevguest isn't stable unless kvm-lock is held or KVM can guarantee KVMSEVINIT2 has...

EUVD-2026-25485

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Protect all of sevmemencregisterregion with kvm-lock Take and hold kvm-lock for before checking sevguest in sevmemencregisterregion, as sevguest isn't stable unless kvm-lock is held or KVM can guarantee KVMSEVINIT2 has...

CVE-2026-31592 KVM: SEV: Protect *all* of sev_mem_enc_register_region() with kvm->lock

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Protect all of sevmemencregisterregion with kvm-lock Take and hold kvm-lock for before checking sevguest in sevmemencregisterregion, as sevguest isn't stable unless kvm-lock is held or KVM can guarantee KVMSEVINIT2 has...

PT-2026-35062

Name of the Vulnerable Software and Affected Versions Kata Containers versions 3.4.0 through 3.28.0 Description An oversight in the CopyFile policy and potentially the CopyFile handler allows untrusted hosts to write to arbitrary locations within the guest workload image. This flaw can be exploit...

openSUSE 16 Security Update : google-guest-agent (openSUSE-SU-2026:20609-1)

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20609-1 advisory. Update to version 20250506.01 bsc1243254, bsc1243505. Security issues fixed: - CVE-2024-45337: golang.org/x/crypto/ssh: misuse of the...