CVE-2026-43483 KVM: SVM: Set/clear CR8 write interception when AVIC is (de)activated

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Set/clear CR8 write interception when AVIC is deactivated Explicitly set/clear CR8 write interception when AVIC is deactivated to fix a bug where KVM leaves the interception enabled after AVIC is activated. E.g. if KVM...

CVE-2026-43483

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Set/clear CR8 write interception when AVIC is deactivated Explicitly set/clear CR8 write interception when AVIC is deactivated to fix a bug where KVM leaves the interception enabled after AVIC is activated. E.g. if KVM...

CVE-2026-43483

The CVE-2026-43483 entry describes a Linux kernel KVM SVM issue where CR8 write interception is left enabled when AVIC is (de)activated. The underlying problem is an SVM implementation flaw that can cause a dangling CR8 intercept, which, when combined with a TPR sync bug fixed in a related commit...

CVE-2025-61971

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to modify MMIO routing configurations, potentially resulting in loss of SEV-SNP guest integrity...

EUVD-2025-209812

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to gain arbitrary System Management Network SMN access, potentially resulting in arbitrary code execution in AMD Secure Processor ASP and loss of the SEV-SNP guest's confidentiality and integrity...

CVE-2025-61972

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to gain arbitrary System Management Network SMN access, potentially resulting in arbitrary code execution in AMD Secure Processor ASP and loss of the SEV-SNP guest's confidentiality and integrity...

EUVD-2025-209811

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to modify MMIO routing configurations, potentially resulting in loss of SEV-SNP guest integrity...

CVE-2025-61971

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to modify MMIO routing configurations, potentially resulting in loss of SEV-SNP guest integrity...

CVE-2025-61971

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to modify MMIO routing configurations, potentially resulting in loss of SEV-SNP guest integrity...

Insecure Despite Proven Updated: Extracting the Root VCEK Seed on EPYC Milan Via a Software-Only Attack

In the official whitepaper of Secure Encrypted Virtualization with Secure Nested Paging SEV-SNP, AMD explicitly emphasizes the capability to prevent Trusted Computing Base TCB rollback attacks. Cryptographically, this is realized by signing attestation reports with the Versioned Chip Endorsement...

PT-2026-40690

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM SVM implementation where CR8 write interception remains enabled after AVIC Advanced Virtual Interrupt Controller is activated. This occurs because the...

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 improper setting or clearing of CR8 write interception when AVIC is activated. This vulnerability...

EUVD-2025-209794

Improper buffer restrictions for some Display Virtualization for Windows OS driver software within Ring 2: Device Drivers may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable denial of service. This result may...

CVE-2026-20794

Buffer overflow for the IntelR Data Center Graphics Driver for VMware ESXi software before version 2.0.2 within Ring 1: Device Drivers may allow an escalation of privilege. System software adversary with a privileged user combined with a low complexity attack may enable local code execution. This...

ALPINE-CVE-2025-35979

Exposure of sensitive information caused by shared microarchitectural predictor state that influences transient execution for some IntelR Processors within VMX non-root guest operation may allow an information disclosure. Unprivileged software adversary with an authenticated user combined with a...

CVE-2025-36510

Improper buffer restrictions for some Display Virtualization for Windows OS driver software within Ring 2: Device Drivers may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable denial of service. This result may...

CVE-2025-35979

Exposure of sensitive information caused by shared microarchitectural predictor state that influences transient execution for some IntelR Processors within VMX non-root guest operation may allow an information disclosure. Unprivileged software adversary with an authenticated user combined with a...

CVE-2025-36510

Improper buffer restrictions for some Display Virtualization for Windows OS driver software within Ring 2: Device Drivers may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable denial of service. This result may...

CVE-2025-36510

CVE-2025-36510 describes an issue in Display Virtualization for Windows OS driver software within Ring 2: Device Drivers where improper buffer restrictions can allow a denial of service. The vulnerability is exploitable locally by an unprivileged, authenticated user with low attack complexity and...

CVE-2026-20751

The CVE-2026-20751 entry concerns Intel Data Center Graphics Driver for VMware ESXi, vulnerable in versions before 2.0.2. The issue is an out-of-bounds read in Ring 1 device drivers, which may allow a local-privileged attacker with low complexity and no user interaction to cause a denial of servi...