CVE-2019-3887

A flaw was found in the way KVM hypervisor handled x2APIC Machine Specific Register MSR access with nested=1 virtualization enabled. In that, L1 guest could access L0's APIC register values via L2 guest, when 'virtualize x2APIC mode' is enabled. A guest could use this flaw to potentially crash th...

openSUSE Security Update : spectre-meltdown-checker (openSUSE-2019-2710)

This update for spectre-meltdown-checker fixes the following issues : - feat: implement TAA detection CVE-2019-11135 bsc1139073 - feat: implement MCEPSC / iTLB Multihit detection CVE-2018-12207 bsc1117665 - feat: taa: add TSXCTRL MSR detection in hardware info - feat: fwdb: use both Intel GitHub...

SUSE SLED15 / SLES15 Security Update : spectre-meltdown-checker (SUSE-SU-2019:3348-1)

This update for spectre-meltdown-checker fixes the following issues : - feat: implement TAA detection CVE-2019-11135 bsc1139073 - feat: implement MCEPSC / iTLB Multihit detection CVE-2018-12207 bsc1117665 - feat: taa: add TSXCTRL MSR detection in hardware info - feat: fwdb: use both Intel GitHub...

[SECURITY] [DSA 4566-1] qemu security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4566-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso November 12, 2019 https://www.debian.org/security/faq -...

Flare-Emu - Powered by IDA Pro and the Unicorn emulation framework that provides scriptable emulation features for the x86, x86_64, ARM, and ARM64 architectures to reverse engineers

flare-emu marries IDA Pro’s binary analysis capabilities with Unicorn’s emulation framework to provide the user with an easy to use and flexible interface for scripting emulation tasks. It is designed to handle all the housekeeping of setting up a flexible and robust emulator for its supported...

Design/Logic Flaw

Lawrence Livermore National Laboratory msr-safe v1.1.0 is affected by: Incorrect Access Control. The impact is: An attacker could modify model specific registers. The component is: ioctl handling. The attack vector is: An attacker could exploit a bug in ioctl interface whitelist checking, in orde...

CVE-2019-1010066

CVE-2019-1010066 affects Lawrence Livermore National Laboratory’s msr-safe v1.1.0. The vulnerability is an Incorrect Access Control in the ioctl handling, enabling an attacker to write to model-specific registers via a bug in the ioctl whitelist checking. This would affect the ability to modify p...

Ubuntu 19.04 : Linux kernel vulnerabilities (USN-3979-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Giorgi Maisuradze, Dan Horea Lutas, Andrei Lutas, Volodymyr Pikhur, Stephan van Schaik, Alyssa Milburn, Sebastian Osterlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Moritz Lipp, Michael Schwarz, and Daniel Gruss discovered...

qemu security update

12:2.9.0-21.el7 - x86: Add mds feature Karl Heubaum - e1000: Never increment the RX undersize count register Chris Kenna - i386: Add some MSR based features on Cascadelake-Server CPU model Tao Xu Orabug: 29643540 - i386: Update stepping of Cascadelake-Server Tao Xu Orabug: 29643540 - kvm: Use...

Authorization Bypass

kernel-rt is vulnerable to authorization bypass. A flaw was found in the way file permission checks for the /dev/cpu/x/msr files were performed in restricted root environments for example, when using a capability-based security model. A local user with the ability to write to these files could us...

AZL-34854 CVE-2019-3887 affecting package kernel for versions less than 6.6.35.1-4

A flaw was found in the way KVM hypervisor handled x2APIC Machine Specific Rregister MSR access with nested=1 virtualization enabled. In that, L1 guest could access L0's APIC register values via L2 guest, when 'virtualize x2APIC mode' is enabled. A guest could use this flaw to potentially crash t...

AZL-6521 CVE-2019-3887 affecting package kernel for versions less than 5.10.78.1-1

A flaw was found in the way KVM hypervisor handled x2APIC Machine Specific Rregister MSR access with nested=1 virtualization enabled. In that, L1 guest could access L0's APIC register values via L2 guest, when 'virtualize x2APIC mode' is enabled. A guest could use this flaw to potentially crash t...

Design/Logic Flaw

A flaw was found in the way KVM hypervisor handled x2APIC Machine Specific Rregister MSR access with nested=1 virtualization enabled. In that, L1 guest could access L0's APIC register values via L2 guest, when 'virtualize x2APIC mode' is enabled. A guest could use this flaw to potentially crash t...

CVE-2019-3887

CVE-2019-3887 covers a KVM x2APIC MSR access flaw that can allow a L1 guest to read L0 APIC values via a L2 guest when nested virtualization is enabled, potentially crashing the host kernel (DoS). Affected: Linux kernel with nested=1 supporting x2APIC mode; cited in multiple Unity Linux/Nessus ad...

CVE-2019-3887

A flaw was found in the way KVM hypervisor handled x2APIC Machine Specific Rregister MSR access with nested=1 virtualization enabled. In that, L1 guest could access L0's APIC register values via L2 guest, when 'virtualize x2APIC mode' is enabled. A guest could use this flaw to potentially crash t...

CVE-2019-3887

A flaw was found in the way KVM hypervisor handled x2APIC Machine Specific Rregister MSR access with nested=1 virtualization enabled. In that, L1 guest could access L0's APIC register values via L2 guest, when 'virtualize x2APIC mode' is enabled. A guest could use this flaw to potentially crash t...

OracleVM 3.4 : Unbreakable / etc (OVMSA-2019-0007) (Spectre)

The remote OracleVM system is missing necessary patches to address critical security updates : - x86/bugs: Fix the AMD SSBD usage of the SPECCTRL MSR Tom Lendacky Orabug: 28870524 CVE-2018-3639 - x86/bugs: Add AMD's SPECCTRL MSR usage Konrad Rzeszutek Wilk Orabug: 28870524 CVE-2018-3639 -...

qemu security update

15:3.0.0-4.el7 - usb-mtp: use ONOFOLLOW and OCLOEXEC. Gerd Hoffmann Orabug: 29056673 CVE-2018-16872 - pvrdma: add uarread routine Prasad J Pandit CVE-2018-20191 - pvrdma: release ring object in case of an error Prasad J Pandit Orabug: 29171822 CVE-2018-20126 - pvrdma: check number of pages when...

Code injection

The Asusgio low-level driver in ASUS Aura Sync v1.07.22 and earlier exposes functionality to read and write Machine Specific Registers MSRs. This could be leveraged to execute arbitrary ring-0 code...

CVE-2018-19323

The GDrv low-level driver in GIGABYTE APP Center v1.05.21 and earlier, AORUS GRAPHICS ENGINE before 1.57, XTREME GAMING ENGINE before 1.26, and OC GURU II v2.08 exposes functionality to read and write Machine Specific Registers MSRs...