KubeVirt Improper TLS Certificate Management Handling Allows API Identity Spoofing

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KubeVirt Affected by an Authentication Bypass in Kubernetes Aggregation Layer

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CVE-2025-64434

KubeVirt Vulnerability CVE-2025-64434 affects virt-handler’s peer verification (verifyPeerCert). In affected releases prior to 1.5.3 and 1.6.1, a compromised virt-handler could exploit shared credentials to impersonate virt-api and perform privileged operations against other virt-handler instance...

CVE-2025-64434 KubeVirt Improper TLS Certificate Management Handling Allows API Identity Spoofing

KubeVirt is a virtual machine management add-on for Kubernetes. Prior to 1.5.3 and 1.6.1, due to the peer verification logic in virt-handler via verifyPeerCert, an attacker who compromises a virt-handler instance, could exploit these shared credentials to impersonate virt-api and execute privileg...

EUVD-2025-38216

KubeVirt is a virtual machine management add-on for Kubernetes. Prior to 1.5.3 and 1.6.1, due to the peer verification logic in virt-handler via verifyPeerCert, an attacker who compromises a virt-handler instance, could exploit these shared credentials to impersonate virt-api and execute privileg...

CVE-2025-64432

KubeVirt is a virtual machine management add-on for Kubernetes. Versions 1.5.3 and below, and 1.6.0 contained a flawed implementation of the Kubernetes aggregation layer's authentication flow which could enable bypass of RBAC controls. It was discovered that the virt-api component fails to...

AZL-69793 CVE-2025-64432 affecting package kubevirt for versions less than 1.5.3-2

KubeVirt is a virtual machine management add-on for Kubernetes. Versions 1.5.3 and below, and 1.6.0 contained a flawed implementation of the Kubernetes aggregation layer's authentication flow which could enable bypass of RBAC controls. It was discovered that the virt-api component fails to...

CVE-2025-64432

CVE-2025-64432 affects KubeVirt, specifically the virt-api component, where the mTLS authentication flow fails to validate the CN field in client certificates against the extension-apiserver-authentication config, enabling potential RBAC bypass by communicating directly with the aggregated API se...

CVE-2025-64432 KubeVirt Affected by an Authentication Bypass in Kubernetes Aggregation Layer

KubeVirt is a virtual machine management add-on for Kubernetes. Versions 1.5.3 and below, and 1.6.0 contained a flawed implementation of the Kubernetes aggregation layer's authentication flow which could enable bypass of RBAC controls. It was discovered that the virt-api component fails to...

CVE-2025-64432 KubeVirt Affected by an Authentication Bypass in Kubernetes Aggregation Layer

KubeVirt is a virtual machine management add-on for Kubernetes. Versions 1.5.3 and below, and 1.6.0 contained a flawed implementation of the Kubernetes aggregation layer's authentication flow which could enable bypass of RBAC controls. It was discovered that the virt-api component fails to...

EUVD-2025-38218

KubeVirt is a virtual machine management add-on for Kubernetes. Versions 1.5.3 and below, and 1.6.0 contained a flawed implementation of the Kubernetes aggregation layer's authentication flow which could enable bypass of RBAC controls. It was discovered that the virt-api component fails to...

CVE-2025-64432 KubeVirt Affected by an Authentication Bypass in Kubernetes Aggregation Layer

KubeVirt is a virtual machine management add-on for Kubernetes. Versions 1.5.3 and below, and 1.6.0 contained a flawed implementation of the Kubernetes aggregation layer's authentication flow which could enable bypass of RBAC controls. It was discovered that the virt-api component fails to...

USN-7853-3: Linux kernel (Azure) vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7853-3 linux-azure, linux-azure-4.15 vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

Kubevirt 信任管理问题漏洞

Kubevirt is an open source virtual machine manager from KubeVirt. A trust management issue vulnerability exists in Kubevirt versions 1.5.3 and earlier and 1.6.0, which stems from the virt-api component failing to properly validate the CN field in a client's TLS certificate, which could lead to...

GHSA-38JW-G2QX-4286 KubeVirt Affected by an Authentication Bypass in Kubernetes Aggregation Layer

Summary Short summary of the problem. Make the impact and severity as clear as possible. A flawed implementation of the Kubernetes aggregation layer's authentication flow could enable bypassing RBAC controls. Details Give all details on the vulnerability. Pointing to the incriminated source code ...

Security Bulletin: The following vulnerabilities that can affect IBM Storage Scale and the HDFS layer are now fixed in 5.2.3.3 or higher (CVE-2021-23445)

Summary The following vulnerabilities, which can affect IBM Storage Scale and the HDFS layer and could provide weaker-than-expected security, are now fixed in Storage Scale 5.2.3.3 or higher CVE-2021-23445. Vulnerability Details CVEID:CVE-2021-23445 DESCRIPTION: This affects the package...

BIT-GOLANG-2025-58189 ALPN negotiation error contains attacker controlled information in crypto/tls

When Conn.Handshake fails during ALPN negotiation the error contains attacker controlled information the ALPN protocols sent by the client which is not escaped...

USN-7863-1 linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7863-1: Linux kernel vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...