AMD EPYC Processor 安全漏洞

The AMD EPYC Processor is a series of multi-core processors developed by American semiconductor company AMD. There is a security vulnerability in the AMD EPYC Processor, which stems from improper access control. This vulnerability may lead to a loss of integrity in SEV-SNP guest memory...

CVE-2025-29952: Use of Uninitialized Variable

Improper Initialization within the AMD Secure Encrypted Virtualization SEV firmware can allow an admin privileged attacker to corrupt RMP covered memory, potentially resulting in loss of guest memory integrity...

PT-2026-7448

Name of the Vulnerable Software and Affected Versions AMD Secure Encrypted Virtualization SEV firmware affected versions not specified Description An access control issue in AMD Secure Encrypted Virtualization SEV firmware may allow a malicious hypervisor to circumvent RMP protections. This could...

Linux Distros Unpatched Vulnerability : CVE-2025-48514

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Insufficient Granularity of Access Control in SEV firmware can allow a privileged attacker to create a SEV-ES Guest to attack SNP guest, potentially resulting i...

StackWarp: Breaking AMD SEV-SNP Integrity via Deterministic Stack-Pointer Manipulation through the CPU's Stack Engine

In this paper, the authors present StackWarp, a software-based architectural attack exploiting the stack engine on AMD Zen CPUs to modify the stack pointer within an SEV-SNP guest, fully breaking integrity...

DEBIAN-CVE-2025-29943

Write what were condition within AMD CPUs may allow an admin-privileged attacker to modify the configuration of the CPU pipeline potentially resulting in the corruption of the stack pointer inside an SEV-SNP guest...

UBUNTU-CVE-2025-29943

Write what were condition within AMD CPUs may allow an admin-privileged attacker to modify the configuration of the CPU pipeline potentially resulting in the corruption of the stack pointer inside an SEV-SNP guest...

CVE-2025-29943

CVE-2025-29943 : AMD CPUs (Zen 1–Zen 5; EPYC) contain a hardware/microarchitectural issue where an admin-privileged host can manipulate the CPU pipeline configuration, potentially corrupting the stack pointer inside a SEV-SNP guest. A PoC titled “StackWarp” demonstrates exploitation by a hypervis...

PT-2026-3202

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AMD CPUs have an unspecified vulnerability

AMD CPUs are a family of CPUs from AMD. An unspecified vulnerability exists in AMD CPUs, which can be exploited by an attacker to run SEV-SNP clients with stale TLB entries, resulting in a loss of data integrity...

Linux Distros Unpatched Vulnerability : CVE-2025-0033

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper access control within AMD SEV-SNP could allow an admin privileged attacker to write to the RMP during SNP initialization, potentially resulting in a lo...

EUVD-2025-198507

A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity...

UBUNTU-CVE-2025-29934

A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity...

CVE-2025-29934

Summary: CVE-2025-29934 is associated with AMD CPUs and SEV-SNP, where an attacker with local admin privileges could abuse stale TLB entries to run a SEV-SNP guest, potentially causing data integrity loss. The vulnerability is described across multiple sources (NVD, EUVD, CNVD, OSV, Debian, Ubunt...

Stale Translation Lookaside Buffer (TLB) Entry Vulnerability

Summary An internally reported microcode bug in some EPYC™ AMD CPUs could allow a local admin-privileged attacker to run SEV-SNP Secure Encrypted Virtualization - Secure Nested Paging guests using stale TLB entries. This bug could allow SNP active vCPUs to reuse TLB entries from other virtual...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: KVM: Allow the CPU to reschedule while setting per-page memory attributes. When running a SEV-SNP guest with a sufficiently large amount of memory 1TB+, the host may experience CPU soft lockups when performing an operation in...

New TEE.Fail Side-Channel Attack Extracts Secrets from Intel and AMD DDR5 Secure Enclaves

A group of academic researchers from Georgia Tech, Purdue University, and Synkhronix have developed a side-channel attack called TEE.Fail that allows for the extraction of secrets from the trusted execution environment TEE in a computer's main processor, including Intel's Software Guard eXtension...

Physical Address Bit Leakage on AMD SEV-SNP Systems

Revisions Revision Date| Description ---|--- 2025-10-20| Initial publication...

DEBIAN-CVE-2025-0033

Improper access control within AMD SEV-SNP could allow an admin privileged attacker to write to the RMP during SNP initialization, potentially resulting in a loss of SEV-SNP guest memory integrity...

CVE-2025-0033

Improper access control within AMD SEV-SNP could allow an admin privileged attacker to write to the RMP during SNP initialization, potentially resulting in a loss of SEV-SNP guest memory integrity...