Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the KVM SEV feature allowing synchronization of encrypted vCPUs. When accessing customer-owned...

PT-2026-34945

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM component regarding SEV Secure Encrypted Virtualization. The system fails to reject attempts to synchronize the vCPU state to its associated VMSA Virtual Machi...

virt:kvm_utils3 bug fix update

hivex 1.3.18-23 - Limit recursion in ri-records CVE-2021-3622 resolves: rhbz1976194 1.3.18-22.el8 - Resolves: bz2000225 Rebase virt:rhel module:stream based on AV-8.6 1.3.18-21 - Bounds check for block exceeding page length CVE-2021-3504 resolves: rhbz1950501 1.3.18 - Resolves: bz1810193 Upgrade...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2025-39998: scsi: target: targetcoreconfigfs: Add length check to avoid buffer overflow bsc1252073. CVE-2025-68794: iomap: adjust read range correctly for...

CVE-2026-31470

CVE-2026-31470 concerns the Linux kernel TDX guest path, specifically the virt: tdx-guest component. Multiple connected sources confirm a fix for handling of the host-controlled quote buffer length, where the host can set quote_buf->out_len to influence how many bytes of the quote are copied t...

CVE-2026-31470 virt: tdx-guest: Fix handling of host controlled 'quote' buffer length

In the Linux kernel, the following vulnerability has been resolved: virt: tdx-guest: Fix handling of host controlled 'quote' buffer length Validate host controlled value quotebuf-outlen that determines how many bytes of the quote are copied out to guest userspace. In TDX environments with remote...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013790)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013790 advisory. In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Fix crash due to uninitialized currentvmcs KVM enables 'Enlightened VMCS' and...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013857)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013857 advisory. In the Linux kernel, the following vulnerability has been resolved: serial: amba-pl011: avoid SBSA UART accessing DMACR register Chapter B Generic UART in ARM Server...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013761)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013761 advisory. In the Linux kernel, the following vulnerability has been resolved: PCI/IOV: Fix race between SR-IOV enable/disable and hotplug Commit 05703271c3cd PCI/IOV: Add PCI...

CVE-2026-35251

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization component: Core. The supported version that is affected is 7.2.6. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle...

UBUNTU-CVE-2026-35245

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization component: Core. The supported version that is affected is 7.2.6. Easily exploitable vulnerability allows unauthenticated attacker with network access via RDP to compromise Oracle VM VirtualBox. Successful attacks of this...

CVE-2026-35245

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization component: Core. The supported version that is affected is 7.2.6. Easily exploitable vulnerability allows unauthenticated attacker with network access via RDP to compromise Oracle VM VirtualBox. Successful attacks of this...

UBUNTU-CVE-2026-35242

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization component: Core. The supported version that is affected is 7.2.6. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle...

UBUNTU-CVE-2026-35251

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization component: Core. The supported version that is affected is 7.2.6. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle...

CVE-2026-35242

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization component: Core. The supported version that is affected is 7.2.6. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle...

CVE-2026-35246

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization component: Core. The supported version that is affected is 7.2.6. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle...

CVE-2026-35248

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization component: Core. The supported version that is affected is 7.2.6. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle...

CVE-2026-35250

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization component: Core. The supported version that is affected is 7.2.6. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle V...

CVE-2026-35245

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization component: Core. The supported version that is affected is 7.2.6. Easily exploitable vulnerability allows unauthenticated attacker with network access via RDP to compromise Oracle VM VirtualBox. Successful attacks of this...

CVE-2026-29646

In OpenXiangShan NEMU prior to 55295c4, when running with RVH Hypervisor extension enabled, a VS-mode guest write to the supervisor interrupt-enable CSR sie may be handled incorrectly and can influence machine-level interrupt enable state mie. This breaks privilege/virtualization isolation and ca...