PT-2026-33830

NEMU contains an implementation flaw in its RISC-V Hypervisor CSR handling where henvcfg7:4 CBIE/CBCFE/CBZE-related fields is incorrectly masked/updated based on menvcfg7:4, so a machine-mode write to menvcfg can implicitly modify the hypervisor's environment configuration. This can lead to...

CVE-2026-29643: Improper Check or Handling of Exceptional Conditions

XiangShan Open-source high-performance RISC-V processor commit edb1dfaf7d290ae99724594507dc46c2c2125384 2024-11-28 contains an improper exceptional-condition handling flaw in its CSR subsystem NewCSR. On affected versions, certain sequences of CSR operations targeting non-existent/custom CSR...

CVE-2026-29645

NEMU OpenXiangShan/NEMU before v2025.12.r2 contains an improper instruction-validation flaw in its RISC-V Vector RVV decoder. The decoder does not correctly validate the funct3 field when decoding vsetvli/vsetivli/vsetvl, allowing certain invalid OP-V instruction encodings to be misinterpreted an...

CVE-2026-29645: Incorrect Calculation of Buffer Size

NEMU OpenXiangShan/NEMU before v2025.12.r2 contains an improper instruction-validation flaw in its RISC-V Vector RVV decoder. The decoder does not correctly validate the funct3 field when decoding vsetvli/vsetivli/vsetvl, allowing certain invalid OP-V instruction encodings to be misinterpreted an...

XiangShan 安全漏洞

XiangShan is an open-source high-performance RISC-V processor project developed by XiangShan in China. There is a security vulnerability in XiangShan, which stems from specially crafted read and write operations on the menvcfg structure, potentially causing the WPRI bit to be set unexpectedly,...

CVE-2026-29642: Internal Asset Exposed to Unsafe Debug Access Level or State

A local attacker who can execute privileged CSR operations or can induce firmware to do so performs carefully crafted reads/writes to menvcfg e.g., csrrs in M-mode. On affected XiangShan versions commit aecf601e803bfd2371667a3fb60bfcd83c333027, 2024-11-19, these menvcfg accesses can unexpectedly...

CVE-2026-29642

A local attacker who can execute privileged CSR operations or can induce firmware to do so performs carefully crafted reads/writes to menvcfg e.g., csrrs in M-mode. On affected XiangShan versions commit aecf601e803bfd2371667a3fb60bfcd83c333027, 2024-11-19, these menvcfg accesses can unexpectedly...

CVE-2026-29645

The NEMU (OpenXiangShan/NEMU) simulator, prior to version v2025.12.r2 , is susceptible to an improper instruction-validation flaw within its RISC-V Vector (RVV) decoder . The root cause is the failure to correctly validate the funct3 field during the decoding of vsetvli, vsetivli, and vsetvl inst...

CVE-2026-40323

SP1 is a zero‑knowledge virtual machine that proves the correct execution of programs compiled for the RISC-V architecture. In versions 6.0.0 through 6.0.2, a soundness vulnerability in the SP1 V6 recursive shard verifier allows a malicious prover to construct a recursive proof from a shard proof...

CVE-2026-40323: Insufficient Verification of Data Authenticity

SP1 is a zero‑knowledge virtual machine that proves the correct execution of programs compiled for the RISC-V architecture. In versions 6.0.0 through 6.0.2, a soundness vulnerability in the SP1 V6 recursive shard verifier allows a malicious prover to construct a recursive proof from a shard proof...

OESA-2026-1960 openvswitch security update

Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Security Fixes: "Description\n===========\n\nMultiple versions of Open vSwitch are vulnerable to crafted FTP payloads\ncausing invalid memory accesses, potential...

USN-8184-1: Linux kernel (Real-time) vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

CVE-2026-3605 Vault KVv2 Metadata and Secret Deletion Policy Bypass Denial-of-Service

An authenticated user with access to a kvv2 path through a policy containing a glob may be able to delete secrets they were not authorized to read or write, resulting in denial-of-service. This vulnerability did not allow a malicious user to delete secrets across namespaces, nor read any secret...

Linux Distros Unpatched Vulnerability : CVE-2026-33414

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Podman is a tool for managing OCI containers and pods. Versions 4.8.0 through 5.8.1 contain a command injection vulnerability in the HyperV machine backend in...

CVE-2026-32149

Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally...

CVE-2026-26156

Heap-based buffer overflow in Windows Hyper-V allows an unauthorized attacker to execute code locally...

CVE-2026-33414

A flaw was found in Podman, a tool for managing containers. This vulnerability, located in the HyperV machine backend, allows for command injection. An attacker who can manipulate the virtual machine VM image path can inject and execute arbitrary PowerShell commands. This could lead to unauthoriz...

The vulnerability of the Hyper-V hardware virtualization system for Windows operating systems allows a hacker to execute arbitrary code.

The vulnerability of the Hyper-V hardware virtualization technology for Windows operating systems is related to insufficient checking of output data. Exploiting this vulnerability can allow an attacker to execute arbitrary code...

CVE-2026-33414

Podman is a tool for managing OCI containers and pods. Versions 4.8.0 through 5.8.1 contain a command injection vulnerability in the HyperV machine backend in pkg/machine/hyperv/stubber.go, where the VM image path is inserted into a PowerShell double-quoted string without sanitization, allowing $...

podman: github.com/containers/podman: Podman: Arbitrary code execution via command injection in HyperV backend

A flaw was found in Podman, a tool for managing containers. This vulnerability, located in the HyperV machine backend, allows for command injection. An attacker who can manipulate the virtual machine VM image path can inject and execute arbitrary PowerShell commands. This could lead to unauthoriz...