CVE-2018-8933

CVE-2018-8933 affects AMD EPYC Server processors. The vulnerability stems from insufficient access control for protected memory regions (FALLOUT-1/2/3), enabling circumvention of platform security controls and potential unauthorized access to memory. Impact is described as high (confidentiality, ...

CVE-2018-8935

The CVE-2018-8935 entry concerns the Promontory chipset used in AMD Ryzen and Ryzen Pro platforms, where an ASIC backdoor (CHIMERA-HW) is described. The connected documents reiterate the root cause as a backdoor in the ASIC of the Promontory chipset, affecting Ryzen/Ryzen Pro systems. The materia...

CVE-2018-8935

The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a backdoor in the ASIC, aka CHIMERA-HW...

CVE-2018-8932

The AMD Ryzen and Ryzen Pro processor chips have insufficient access control for the Secure Processor, aka RYZENFALL-2, RYZENFALL-3, and RYZENFALL-4...

CVE-2018-8931

The AMD Ryzen, Ryzen Pro, and Ryzen Mobile processor chips have insufficient access control for the Secure Processor, aka RYZENFALL-1...

CVE-2018-8936

The CVE-2018-8936 entry concerns AMD processors (EPYC Server, Ryzen, Ryzen Pro, Ryzen Mobile) where the Platform Security Processor (PSP) enables privilege escalation. The connected documents corroborate that this is a PSP-based elevation issue affecting multiple Ryzen-family products. Specifics ...

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...

CVE-2018-8934

CVE-2018-8934 covers a backdoor in the firmware of the Promontory chipset used in AMD Ryzen/Ryzen Pro platforms (aka CHIMERA-FW). The issue stems from a firmware backdoor in Promontory, with documented risk perceptions in multiple sources, and a CVSS3 score indicating CRITICAL impact across confi...

AMD Acknowledges Newly Disclosed Flaws In Its Processors — Patches Coming Soon

AMD has finally acknowledged 13 critical vulnerabilities, and exploitable backdoors in its Ryzen and EPYC processors disclosed earlier this month by Israel-based CTS Labs and promised to roll out firmware patches for millions of affected devices 'in the coming weeks.' According to CTS-Labs...

HPSBHF03581 rev. 4 - AMD Secure Processor and Promontory Chipset Exploits

Potential Security Impact Circumvention of platform security controls, unauthorized access to system memory, installation of difficult to detect malware. Source: CTS Reported By: CTS VULNERABILITY SUMMARY Vulnerability | Description | Impact ---|---|--- MASTERKEY | Attacker who already has...

AMD Acknowledges Vulnerabilities, Will Roll Out Patches In Coming Week

AMD on Tuesday acknowledged several vulnerabilities that had been previously reported in its Ryzen and EPYC chips, and said that it would roll out firmware patches for those flaws in the coming weeks. The response comes a week after Israel-based CTS-Labs said that it has discovered 13 critical...

Israeli Security Attacks AMD by Publishing Zero-Day Exploits

Last week, the Israeli security company CTS Labs published a series of exploits against AMD chips. The publication came with the flashy website, detailed whitepaper, cool vulnerability names -- RYZENFALL, MASTERKEY, FALLOUT, and CHIMERA -- and logos we've come to expect from these sorts of things...

New Microsoft Bug Bounty Program Looks To Squash The Next Spectre, Meltdown

In the wake of the Meltdown and Spectre flaws, Microsoft has rolled out a new bug bounty program targeting speculative execution side channel vulnerabilities. The limited time program is open until December 31, and offers up to $250,000 for identifying new categories of speculative execution...

openSUSE Security Update : kernel-firmware (openSUSE-2018-262)

This update for kernel-firmware fixes the following issues : - CVE-2015-1142857: Add 7.13.1.0 bnx2x firmware files to fix a ethernet flow control vulnerability in SRIOV devices bsc1077355 This update was imported from the SUSE:SLE-12-SP2:Update update project. %NASLMINLEVEL 70300 C Tenable Networ...

Hyperbole Swirls Around AMD Processor Security Threat

Maybe it was the exaggerated threats against AMD’s business or the semi-unprofessional way the threats were brought to light but no matter — security start-up CTS-Labs claims of security holes in the chipmaker’s Ryzen and Epic processor lines are now being lambasted across the security community...

Mitigating speculative execution side channel hardware vulnerabilities

On January 3rd, 2018, Microsoft released an advisory and security updates related to a newly discovered class of hardware vulnerabilities involving speculative execution side channels known as Spectre and Meltdown that affect AMD, ARM, and Intel CPUs to varying degrees. If you haven’t had a chanc...

Mitigating speculative execution side channel hardware vulnerabilities

On January 3rd, 2018, Microsoft released an advisory and security updates related to a newly discovered class of hardware vulnerabilities involving speculative execution side channels known as Spectre and Meltdown that affect AMD, ARM, and Intel CPUs to varying degrees. If you haven’t had a chanc...

13 Critical Flaws Discovered in AMD Ryzen and EPYC Processors

Security researchers claimed to have discovered 13 critical Spectre/Meltdown-like vulnerabilities throughout AMD's Ryzen and EPYC lines of processors that could allow attackers to access sensitive data, install persistent malware inside the chip, and gain full access to the compromised systems. A...

AMD Investigating Reports of 13 Critical Vulnerabilities Found in Ryzen, EPYC Chips

Researchers on Tuesday said they found several critical security vulnerabilities in various AMD chips, allegedly opening them up to attackers who want to steal sensitive data and install malware on AMD servers, workstations and laptops. Israel-based CTS-Labs said that it has discovered 13 critica...

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...