SUSE-SU-2020:0584-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP4 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-2732: Fixed an issue affecting Intel CPUs where an L2 guest may trick the L0 hypervisor into accessing sensitive L1 resources bsc1163971. -...

SUSE-SU-2020:0558-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-2732: Fixed an issue affecting Intel CPUs where an L2 guest may trick the L0 hypervisor into accessing sensitive L1 resources bsc1163971. -...

SUSE-SU-2020:0388-1 Security update for xen

This update for xen fixes the following issues: - CVE-2018-12207: Fixed a race condition where untrusted virtual machines could have been using the Instruction Fetch Unit of the Intel CPU to cause a Machine Exception during Page Size Change, causing the CPU core to be non-functional bsc1155945...

New ‘CacheOut’ Attack Targets Intel CPUs

Researchers have identified a new speculative execution type attack, dubbed CacheOut, that could allow attackers to trigger data leaks from most Intel CPUs. The more serious of the two bugs, revealed Monday, is rated medium severity by Intel, who said fixes for both flaws are on the way. The more...

CVE-2019-19339

It was found that the Red Hat Enterprise Linux 8 kpatch update did not include the complete fix for CVE-2018-12207. A flaw was found in the way Intel CPUs handle inconsistency between, virtual to physical memory address translations in CPU's local cache and system software's Paging structure...

CVE-2019-19339

Technical details for CVE-2019-19339 are not provided in the supplied documents. No affected products, impact, or remediation are specified here. Monitor for updates from the connected sources.

openSUSE: Security Advisory for ucode-intel (openSUSE-SU-2019:1806-1)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Debian DLA-2051-1 : intel-microcode security update

This update ships updated CPU microcode for some types of Intel CPUs. In particular it provides mitigations for the TAA TSX Asynchronous Abort vulnerability. For affected CPUs, to fully mitigate the vulnerability it is also necessary to update the Linux kernel packages as released in DLA 1989-1...

Updated kernel packages fix security vulnerabilities

This update is based on upstream 5.4.6 and fixes various potential security issues related to buffer overflows, double frees, NUll pointer dereferences, improper / missing input validations and so on. It also adds other bugfixes all over the kernel. Other fixes added in this update: - x86/MCE/AMD...

A week in security (December 9 – 15)

Last week on Malwarebytes Labs, we cautioned readers against purchasing potentially privacy-invasive, cyber-insecure smart doorbells, warned about a new credit card skimmer vulnerability embedded within hundreds of fraudulent web sites selling supposedly name-brand shoes, and looked at the newest...

UBUNTU-CVE-2019-19583

An issue was discovered in Xen through 4.12.x allowing x86 HVM/PVH guest OS users to cause a denial of service guest OS crash because VMX VMEntry checks mishandle a certain case. Please see XSA-260 for background on the MovSS shadow. Please see XSA-156 for background on the need for DB...

Citrix Hypervisor Security Update

Description of Problem A number of vulnerabilities have been found in Citrix Hypervisor formerly Citrix XenServer that may: i. Allow the host to be compromised by privileged code in a PV guest VM, ii. allow unprivileged code in a HVM guest VM to cause that guest to crash and iii. under certain...

CVE-2019-19338

A flaw was found in the fix for CVE-2019-11135, the way Intel CPUs handle speculative execution of instructions when a TSX Asynchronous Abort TAA error occurs. When a guest is running on a host CPU affected by the TAA flaw TAANO=0, but is not affected by the MDS issue MDSNO=1, the guest was to...

SUSE-SU-2019:2984-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2018-12207: Untrusted virtual machines on Intel CPUs could exploit a race condition in the Instruction Fetch Unit of the Intel CPU to cause a Machine Excepti...

Important: kernel

Issue Overview: A flaw was found in the way Intel CPUs handle inconsistency between, virtual to physical memory address translations in CPU's local cache and system software's Paging structure entries. A privileged guest user may use this flaw to induce a hardware Machine Check Error on the host...

openSUSE Security Update : the Linux Kernel (openSUSE-2019-2503)

The openSUSE Leap 15.0 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2019-0154: An unprotected read access to i915 registers has been fixed that could have been abused to facilitate a local denial-of-service attack. bsc1135966 -...

openSUSE Security Update : xen (openSUSE-2019-2508)

This update for xen fixes the following issues : - CVE-2018-12207: Untrusted virtual machines on Intel CPUs could exploit a race condition in the Instruction Fetch Unit of the Intel CPU to cause a Machine Exception during Page Size Change, causing the CPU core to be non-functional. bsc1155945 -...

RHEL 7 : kernel (RHSA-2019:3877)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2019:3877 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: hw: Intel GPU blitter manipulation can allow fo...

[SECURITY] [DSA 4565-1] intel-microcode security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4565-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso November 13, 2019 https://www.debian.org/security/faq -...

SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2019:2948-1)

The SUSE Linux Enterprise 12 SP4 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2018-12207: Untrusted virtual machines on Intel CPUs could exploit a race condition in the Instruction Fetch Unit of the Intel CPU to cause a Machine...