hw: cpu: AMD: Branch Type Confusion (non-retbleed)

A flaw was found in hw. Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type, potentially leading to information disclosure...

hw: cpu: AMD: RetBleed Arbitrary Speculative Code Execution with Return Instructions

A flaw was found in hw. Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions...

Linux kernel 安全漏洞

Linux kernel is the kernel used by the Linux Foundation's open source operating system, Linux. Linux kernel has a security vulnerability that stems from a flaw discovered in the AMD nested virtualization SVM of KVM. A malicious L1 guest may intentionally not intercept the shutdown of a...

PT-2022-5521 · Amd +2 · Amd Processor Microcode +2

Name of the Vulnerable Software and Affected Versions: AMD processor microcode affected versions not specified Description: The issue is related to the implementation of the Indirect Branch Prediction Barrier IBPB mechanism in AMD processor microcode, which may lead to a potential information...

UBUNTU-CVE-2022-23825

Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information disclosure...

PT-2022-6459 · Amd +6 · Amd Processors +6

Name of the Vulnerable Software and Affected Versions: AMD processors affected versions not specified Description: The issue is related to aliases in the branch predictor of some AMD processors, which may cause them to predict the wrong branch type. This could potentially lead to information...

AMD Processors 信息泄露漏洞

AMD Processors is a processor from AMD. A security vulnerability exists in AMD Processors that stems from a branch prediction error on a return instruction. An attacker could exploit this vulnerability to execute arbitrary speculative code...

The vulnerability of AMD Secure Processor’s microprogramming software lies in insufficient validation of input data, allowing a hacker to execute arbitrary code.

The vulnerability of AMD Secure Processor ASP microprogramming software lies in insufficient validation of input data. Exploiting this vulnerability allows an attacker to execute arbitrary code on the target system...

The vulnerability of AMD processor-based LFENCE/JMP modules allows attackers to disclose protected information.

The vulnerability of AMD’s LFENCE/JMP processors lies in the characteristics of the branch prediction module’s operation. Exploiting this vulnerability allows an attacker to gain access to protected memory from a program that does not have the necessary privileges, by using the mechanism for...

AMD Processors 安全漏洞

AMD Processors is a processor from the American company AMD. AMD Processors has a security vulnerability that can be exploited by an authenticated attacker to perform a timing attack, which could lead to information disclosure...

CVE-2022-23823

A potential vulnerability in some AMD processors using frequency scaling may allow an authenticated attacker to execute a timing attack to potentially enable information disclosure...

Apple macOS Monterey 缓冲区错误漏洞

Apple macOS Monterey is the 18th major release of Apple's macOS for the Macintosh desktop operating system. A buffer error vulnerability exists in Apple macOS Monterey versions 12.0 21A344 through 12.3.1 21E258, which stems from a boundary error in AMD firmware. A local user can exploit the...

Apple macOS Monterey 缓冲区错误漏洞

Apple macOS Monterey is the 18th major release of Apple's macOS for the Macintosh desktop operating system. Apple macOS Monterey suffers from a buffer error vulnerability that stems from a boundary error in the AMD firmware. An attacker exploiting this vulnerability could run a specially designed...

AMD System Management Unit 输入验证错误漏洞

The AMD System Management Unit SMU is a system management unit at UltraMicroelectronics AMD. An input validation error vulnerability exists in the AMD System Management Unit that stems from an insufficient DRAM address validation in the AMD System Management Unit SMU could result in a DMA Direct...

AMD System Management Unit 信息泄露漏洞

The AMD System Management Unit SMU is a system management unit of AMD Corporation. A security vulnerability exists in the AMD System Management Unit that originates from the use of a malicious or corrupted user application UApp or AGESA bootloader ABL to filter arbitrary memory from the ASP stage...

AMD System Management Unit 权限许可和访问控制问题漏洞

The AMD System Management Unit SMU is a system management unit of AMD Corporation. A security vulnerability exists in the AMD System Management Unit that originates from reading data from the boot ROM to compromise system integrity...

CVE-2021-26339

A bug in AMD CPU’s core logic may allow for an attacker, using specific code from an unprivileged VM, to trigger a CPU core hang resulting in a potential denial of service. AMD believes the specific code includes a specific x86 instruction sequence that would not be generated by compilers...

PT-2022-2472 · Amd +1 · Amd Cpus +1

Name of the Vulnerable Software and Affected Versions: AMD CPUs affected versions not specified Description: The issue is related to the implementation of the SEV-SNP Secure Nested Paging protective mechanism for virtual machines running on servers with AMD processors, which is associated with da...

AMD CPUs 安全漏洞

AMD CPUs are a family of CPUs from AMD in the United States. A security vulnerability exists in AMD CPUs. An attacker exploits this vulnerability to trigger a CPU core hang using specific code from an unprivileged VM, leading to a potential denial of service...

AMD CPUs 安全漏洞

AMD CPUs are a family of CPUs from AMD in the United States. AMD CPUs suffers from a security vulnerability that stems from the fact that failure to refresh the TLB can cause the microcode to use an outdated TLB, thus leaking memory contents...