AMD EPYC Security Vulnerability

AMD EPYC is an x86 architecture server microprocessor product line from AMD, known as "Xiao Long" in Chinese, utilizing the Zen microarchitecture. The AMD EPYC suffers from a security vulnerability that stems from insufficient validation of the DRAM address in the System Management Unit SMU, whic...

HPESBCR04547 rev.1 - HPE Cray EX425 Supercomputer Using AMD EPYC Processors, AMD-SB-7008, Cross-Process Information Leak (Zenbleed) Security Notice, Local Disclosure of Information

Potential Security Impact: Local: Disclosure of Information SUPPORTED SOFTWARE VERSIONS: ONLY impacted versions are listed. HPE Cray EX425 Compute Blade - Prior to BIOS Version 1.7.2 HFP 24.3.0 CVSS Scores: | CVE | CVSS Vector | Base Score | | --- | --- | --- | | CVE-2023-20593 |...

DXE Driver Memory Leaks

Bulletin ID: AMD-SB-4007 Potential Impact: Data Leakage Severity: Medium Summary Potential memory leak vulnerabilities in AMD Driver Execution Environment DXE driver. CVE Details Refer to Glossary for explanation of terms CVE| Severity| Description ---|---|--- CVE-2023-20594| Medium| Improper...

PT-2023-17472 · Amd · 3Rd Gen Amd Epyc™ Processors +99

Name of the Vulnerable Software and Affected Versions: Insufficient information is provided to determine the specific software and versions affected. Description: The issue involves improper initialization of variables in the DXE driver, potentially allowing a privileged user to leak sensitive...

MGASA-2023-0244 Updated microcode packages fix security vulnerability

Under specific microarchitectural circumstances, a register in "Zen 2" CPUs may not be written to 0 correctly. This may cause data from another process and/or thread to be stored in the YMM register, which may allow an attacker to potentially access sensitive information CVE-2023-20593, also know...

Updated microcode packages fix security vulnerability

Under specific microarchitectural circumstances, a register in "Zen 2" CPUs may not be written to 0 correctly. This may cause data from another process and/or thread to be stored in the YMM register, which may allow an attacker to potentially access sensitive information CVE-2023-20593, also know...

AMD SEV VM Power Side Channel Security Bulletin

Bulletin ID: AMD-SB-3004 Potential Impact: Information disclosure Severity: Low Summary Researchers have reported a potential power side-channel attack using the Running Average Power Limit RAPL interface on AMD SEV VMs. The researchers focused only on the first generation of AMD SEV technology a...

AMD Server Vulnerabilities – May 2023

Bulletin ID: AMD-SB-3001 Potential Impact: Varies by CVE, see descriptions below Severity: Varies by CVE, see descriptions below Summary Potential vulnerabilities in the AMD Secure Processor ASP, AMD System Management Unit SMU, AMD Secure Encrypted Virtualization SEV and other platform components...

PT-2023-17450 · Amd · 2Nd Gen Amd Epyc™ +41

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided descriptions. Description: An attacker with a compromised ASP could possibly send malformed commands to an ASP on another CPU, resulting in an out of bounds write, potentially...

Vulnerabilities fixed in Dell PowerEdge

Dell has fixed vulnerabilities in PowerEdge Server based on the AMD EPYC platform. The vulnerabilities allow a local malicious party to cause a denial-of-service, access gain access to sensitive data or potentially execute code. Dell has released updates to fix the vulnerabilities. For more...

FreeBSD : wolfssl -- multiple issues (9b9a5f6e-1755-11ed-adef-589cfc01894a)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 9b9a5f6e-1755-11ed-adef-589cfc01894a advisory. - AMD EPYC Processors contain an information disclosure vulnerability in the Secure Encrypted...

Vulnerabilities fixed in Dell PowerEdge

Dell has fixed vulnerabilities in PowerEdge Server based on the AMD EPYC platform. The vulnerabilities allow a local malicious party to cause a denial-of-service, access gain access to sensitive data or potentially execute code. Dell has released updates to fix the vulnerabilities. For more...

AMD EPYC UApp/ABL 输入验证错误漏洞

AMD EPYC is an x86 server microprocessor product line from AMD, known as "Xiao Long" in Chinese, utilizing the Zen microarchitecture. A security vulnerability exists in AMD EPYC UApp/ABL, which stems from improper validation of the target address in SVCLOADFWIMAGEBYINSTANCE and...

AMD Client Vulnerabilities – May 2022

Bulletin ID: AMD-SB-1027 Potential Impact: Varies by CVE, see descriptions below Severity: Varies by CVE, see descriptions below Summary During security reviews in collaboration with Google, Microsoft, and Oracle, potential vulnerabilities in the AMD Secure Processor ASP, AMD System Management Un...

Release of Technical Report into the AMD Security Processor

Posted by James Forshaw, Google Project Zero Today, members of Project Zero and the Google Cloud security team are releasing a technical report on a security review of AMD Secure Processor ASP. The ASP is an isolated ARM processor in AMD EPYC CPUs that adds a root of trust and controls secure...

LFENCE/JMP Mitigation Update for CVE-2017-5715

Bulletin ID: AMD-SB-1036 Potential Impact: Loss of Confidentiality Severity: Medium Summary AMD is providing an update for one recommended mitigation for CVE-2017-5715 previously known as Spectre Variant 2. The speculative execution window of AMD LFENCE/JMP mitigation MITIGATION V2-2 may be large...

CVE-2020-12966

AMD EPYC™ Processors contain an information disclosure vulnerability in the Secure Encrypted Virtualization with Encrypted State SEV-ES and Secure Encrypted Virtualization with Secure Nested Paging SEV-SNP. A local authenticated attacker could potentially exploit this vulnerability leading to...

CVE-2020-12966

AMD EPYC™ Processors contain an information disclosure vulnerability in the Secure Encrypted Virtualization with Encrypted State SEV-ES and Secure Encrypted Virtualization with Secure Nested Paging SEV-SNP. A local authenticated attacker could potentially exploit this vulnerability leading to...

Information disclosure

AMD EPYC™ Processors contain an information disclosure vulnerability in the Secure Encrypted Virtualization with Encrypted State SEV-ES and Secure Encrypted Virtualization with Secure Nested Paging SEV-SNP. A local authenticated attacker could potentially exploit this vulnerability leading to...

PT-2022-8415 · Amd · Amd Epyc Processors

Name of the Vulnerable Software and Affected Versions: AMD EPYC Processors affected versions not specified Description: The issue is related to an information disclosure vulnerability in the Secure Encrypted Virtualization with Encrypted State SEV-ES and Secure Encrypted Virtualization with Secur...