PoD operations on misaligned GFNs

ISSUE DESCRIPTION x86 HVM and PVH guests may be started in populate-on-demand PoD mode, to provide a way for them to later easily have more memory assigned. Guests are permitted to control certain P2M aspects of individual pages via hypercalls. These hypercalls may act on ranges of pages specifie...

Xen 安全漏洞

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. There is a security vulnerability in Xen tha...

NSA and CISA Release Guidance on Securing 5G Cloud Infrastructures

CISA has announced the joint National Security Agency NSA and CISA publication of the second of a four-part series, Security Guidance for 5G Cloud Infrastructures. Part II: Securely Isolate Network Resources examines threats to 5G container-centric or hybrid container/virtual network, also known ...

Kubernetes authenticated code execution

Execute a payload within a Kubernetes pod. Module Options msf use exploit/multi/kubernetes/exec msf exploitexec show targets ...targets... msf exploitexec set TARGET msf exploitexec show options ...show and set options... msf exploitexec exploit -- coding: binary -- This module requires Metasploi...

Security Bulletin: IBM Cloud Kubernetes Service is affected by a Kubernetes kubelet security vulnerability (CVE-2021-25741)

Summary IBM Cloud Kubernetes Service is affected by a Kubernetes kubelet security vulnerability that could allow host path like access without use of the hostPath feature, thus bypassing the restriction CVE-2021-25741. Vulnerability Details CVEID: CVE-2021-25741 Description: Kubernetes could allo...

A Kubernetes Pod Security Policy Alternative

A quick look at the deprecation of Kubernetes Pod Security Policy and how to ensure your clusters are protected going forward...

Incomplete List of Disallowed Inputs in Kubernetes

A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs...

GHSA-MFV7-GQ43-W965 Incomplete List of Disallowed Inputs in Kubernetes

A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs...

URL Redirection to Untrusted Site ('Open Redirect')

A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs...

CVE-2021-25737

A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs...

CVE-2021-25737

A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs...

DEBIAN-CVE-2021-25737

A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs...

Design/Logic Flaw

A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs...

CVE-2021-25737

A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs...

CVE-2021-25737 Holes in EndpointSlice Validation Enable Host Network Hijack

A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs...

CVE-2021-25737

CVE-2021-25737 describes a Kubernetes EndpointSlice validation flaw enabling host-network hijacking. A remote authenticated attacker could redirect pod traffic to private networks on a Node and potentially access sensitive information. Root cause: holes in EndpointSlice validation that allowed un...

CVE-2021-25737

A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs...

Cisco Issues Critical Fixes for High-End Nexus Gear

Cisco Systems released six security patches tied to its high-end 9000 series networking gear ranging in importance from critical, high and medium severity. The most serious of the bugs patched by Cisco rated 9.1 out of 10 could allow a remote and unauthenticated adversary to read or write arbitra...

CVE-2021-1586

A vulnerability in the Multi-Pod or Multi-Site network configurations for Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI mode could allow an unauthenticated, remote attacker to unexpectedly restart the device, resulting in a denial of service DoS condition. This...

CVE-2021-1586

A vulnerability in the Multi-Pod or Multi-Site network configurations for Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI mode could allow an unauthenticated, remote attacker to unexpectedly restart the device, resulting in a denial of service DoS condition. This...