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...

CVE-2018-8934

The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a backdoor in firmware, aka CHIMERA-FW...

hw: cpu: speculative execution permission faults handling

An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant...

January 31, 2018—KB4058258 (OS Build 16299.214)

None None...

Unbootable state for AMD devices in Windows 8.1 and Windows Server 2012 R2

Unbootable state for AMD devices in Windows 8.1 and Windows Server 2012 R2 Summary This update resolves the following issue: Microsoft has received reports of some customers on a small subset of older AMD processors getting into an unbootable state after you install January 3, 2018—KB4056898...

hw: cpu: speculative execution permission faults handling

An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant...

ALPINE-CVE-2016-9377

Xen 4.5.x through 4.7.x on AMD systems without the NRip feature, when emulating instructions that generate software interrupts, allows local HVM guest OS users to cause a denial of service guest crash by leveraging IDT entry miscalculation...

Apple OS X El Capitan AMD Memory Information Disclosure Vulnerability

Apple OS X El Capitan is an operating system on Apple devices. A security vulnerability in AMD in Apple OS X El Capitan allows attackers to exploit the vulnerability to obtain kernel memory layout information...

CVE-2016-1791

The AMD subsystem in Apple OS X before 10.11.5 allows attackers to obtain sensitive kernel memory-layout information via a crafted app...

Xen Information Disclosure Vulnerability (CNVD-2016-01948)

Xen is an open source virtual machine monitor product developed at the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. A security vulnerability exists in X...

hw: AMD CPU erratum may cause core hang

The microcode on AMD 16h 00h through 0Fh processors does not properly handle the interaction between locked instructions and write-combined memory types, which allows local users to cause a denial of service system hang via a crafted application, aka the errata 793 issue...

DEBIAN-CVE-2013-6885

The microcode on AMD 16h 00h through 0Fh processors does not properly handle the interaction between locked instructions and write-combined memory types, which allows local users to cause a denial of service system hang via a crafted application, aka the errata 793 issue...

PT-2013-6168 · Amd +2 · Amd Processors +2

Name of the Vulnerable Software and Affected Versions: AMD processors versions 16h 00h through 0Fh Description: The issue arises from the microcode's improper handling of the interaction between locked instructions and write-combined memory types. This allows local users to cause a denial of...

PV guest host Denial of Service

ISSUE DESCRIPTION A Xen user has discovered that some older AMD CPUs can be made to lock up due to AMD processor erratum 121. This issue was discovered during testing of the fix for XSA-7 CVE-2012-0217. Although the two issues are unrelated the situations which can trigger them may overlap...

DEBIAN-CVE-2012-2934

Xen 4.0, and 4.1, when running a 64-bit PV guest on "older" AMD CPUs, does not properly protect against a certain AMD processor bug, which allows local guest OS users to cause a denial of service host hang via sequential execution of instructions across a non-canonical boundary, a different...

kernel: denial of service due to AMD Erratum #121

Xen 4.0, and 4.1, when running a 64-bit PV guest on "older" AMD CPUs, does not properly protect against a certain AMD processor bug, which allows local guest OS users to cause a denial of service host hang via sequential execution of instructions across a non-canonical boundary, a different...

security flaw

The Linux kernel before 2.6.16.9 and the FreeBSD kernel, when running on AMD64 and other 7th and 8th generation AuthenticAMD processors, only save/restore the FOP, FIP, and FDP x87 registers in FXSAVE/FXRSTOR when an exception is pending, which allows one process to determine portions of the stat...

security flaw

Unknown vulnerability in the Linux kernel before 2.4.23, on the AMD AMD64 and Intel EM64T architectures, associated with "setting up TSS limits," allows local users to cause a denial of service crash and possibly execute arbitrary code...