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 EPYC 安全漏洞

AMD EPYC is an x86 architecture server microprocessor product line from AMD Semiconductor, known in Chinese as Xiaolong, which utilizes the Zen microarchitecture. A security vulnerability exists in AMD EPYC, which originated in a specific microarchitecture environment, allowing an attacker to...

AMD processors 安全漏洞

AMD Processors is a processor from AMD Semiconductor AMD. A security vulnerability exists in AMD processors that stems from a power-side channel vulnerability that could allow an authenticated attacker to use the power reporting feature to monitor the execution of programs within an AMD SEV virtu...

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...

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...

PT-2023-12093 · Amd · 1St Gen Amd Epyc™ Processors +110

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided descriptions. Description: A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure of ASP memory to userspace,...

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...

SUSE CVE-2018-8930

The AMD EPYC Server, Ryzen, Ryzen Pro, and Ryzen Mobile processor chips have insufficient enforcement of Hardware Validated Boot, aka MASTERKEY-1, MASTERKEY-2, and MASTERKEY-3...

SUSE CVE-2018-8933

The AMD EPYC Server processor chips have insufficient access control for protected memory regions, aka FALLOUT-1, FALLOUT-2, and FALLOUT-3...

SUSE CVE-2018-8936

The AMD EPYC Server, Ryzen, Ryzen Pro, and Ryzen Mobile processor chips allow Platform Security Processor PSP privilege escalation...

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...

IBPB and Return Stack Buffer Interactions

Bulletin ID: AMD-SB-1040 Potential Impact: Information Disclosure Severity: Medium Summary AMD is aware of a potential vulnerability affecting AMD CPUs where the OS relies on IBPB to flush the return address predictor. This may allow for CVE-2017-5715 previously known as Spectre Variant 2 attacks...

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...

多款AMD处理器安全漏洞

AMD Processors is a processor from the American company AMD. A security vulnerability exists in AMD CPU Branch. The following products and versions are affected: AMD Athlon™ X4 processor,AMD Ryzen™ Threadripper™ PRO processor,2nd Gen AMD Ryzen™ Threadripper™ processors,3rd Gen AMD Ryzen™...

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...

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...

AMD EPYC SEV-ES TMR 安全漏洞

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 SEV-ES TMR. An attacker could exploit this vulnerability to cause a loss of memory integrity in SNP-active VMs...

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 EPYC DRTM UApp 安全漏洞

AMD EPYC is an x86 architecture server microprocessor product line from AMD Semiconductor, known in Chinese as "霄龙", which utilizes the Zen microarchitecture. A security vulnerability exists in the AMD EPYC DRTM UApp. The vulnerability arises from a partial initialization of the DRTM UApp, which...

AMD EPYC 安全漏洞

AMD EPYC is an x86 server microprocessor product line from AMD, known as "Xiao Long" in Chinese, which utilizes the Zen microarchitecture. A security vulnerability exists in AMD EPYC UApp/ABL. The vulnerability can be exploited by an attacker to corrupt arbitrary memory by bootloading a program,...